pedestals & support pads for paving and decking SPRING 2016

pedestals & support pads for paving and decking SPRING 2016
pedestals & support
pads for
paving and decking
SPRING 2016
Wallbarn offers the most comprehensive range of pedestals and support pads for suspended
paving and decking systems on structural decks.
HELP CREATE THE PERFECT SOLUTION FOR ROOFTOP LIVING
They improve the performance of the building by allowing
proper drainage beneath the upper surface, ventilating
the structure and preventing localised flooding.
Wallbarn pedestals and support pads are used for
constructing hard landscaping areas on terraces,
balconies, ballasted flat roofs and podium decks.
They improve drainage by lifting the slab or decking off
the waterproofed surface. No mechanical fixings are
required and the membrane is not compromised.
The open joint design means surface ponding does not
occur, reducing slip hazards.
They are the fast, easy way to build the highest quality
pedestrian surfaces, improving the appearance and
performance of structural surfaces and optimising the
building footprint.
FOR THE HIGHEST QUALITY LANDSCAPING FINISHES WALLBARN OFFERS THE
MOST TAILORED SOLUTIONS FOR DESIGNERS, CONTRACTORS AND END CLIENTS.
CONTENTSpage
PAVING:
5mm RUBBER PADS (with separate cross spacers).................................................................................................4
6mm RUBBER PADS FOR PAVING............................................................................................................................5
7mm RUBBER PADS FOR PAVING............................................................................................................................6
9mm RUBBER PAVING SUPPORT PADS ................................................................................................................7
14mm & 17mm FIXED HEIGHT PLASTIC SUPPORT PADS .................................................................................9
WEDGE SHAPED RUBBER SHIMS/SLOPE CORRECTORS FOR FIXED HEIGHT PADS.......................................11
ACCESSORIES FOR FIXED HEIGHT PADS – PLASTIC SHIMS ............................................................................12
ACCESSORIES FOR FIXED HEIGHT PADS – RUBBER ACOUSTIC SHIMS .........................................................13
MINI-MEGAPADS FOR PAVING ..............................................................................................................................14
ASP ADJUSTABLE PAVING PEDESTALS ...............................................................................................................16
FLAT HEADED ADJUSTABLE SUPPORTS..............................................................................................................20
ASP EXTRA – EXTENDED HEIGHT PAVING PEDESTALS ......................................................................................21
MINI BASES FOR ASPs ..........................................................................................................................................22
HEAD PIECES FOR ASPs .......................................................................................................................................23
SLOPE CORERCTORS for ASPs & MEGAPADS ...................................................................................................24
MEGAPADS FOR PAVING .......................................................................................................................................25
TIMBER DECKING:
5mm RUBBER DISCS .............................................................................................................................................30
6mm RUBBER PADS FOR DECKING .....................................................................................................................31
TD PLUS FOR 6mm RUBBER PAD..........................................................................................................................31
7mm RUBBER PADS FOR DECKING .....................................................................................................................32
TD PLUS FOR 7mm RUBBER PAD..........................................................................................................................33
TD MINI MEGAPADS (for timber decking)..............................................................................................................34
TD SUPPORT PADS FOR DECKING.......................................................................................................................36
TD EXTRA - EXTENDED HEIGHT PADS FOR DECKING ........................................................................................41
90mm WIDE TD HEADPIECES FOR DECKING .....................................................................................................42
TD PLUS SUPPORT PADS FOR DECKING ...........................................................................................................43
TD MOBILE PADS FOR DECKING ..........................................................................................................................44
SLOPE CORRECTORS for TD, TD PLUS, TD MOBILE & FLAT HEADED SUPPORT PADS.................................45
TD MEGAPADS .......................................................................................................................................................46
FLAT HEADED MEGAPADS ....................................................................................................................................49
TD PLUS MEGAPADS .............................................................................................................................................51
SHOCK ABSORBING SHIMS .................................................................................................................................52
FLAT HEADED ADJUSTABLE SUPPORTS..............................................................................................................53
SLOPE CORRECTORS for TD MEGAPADS............................................................................................................55
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PEDESTALS & SUPPORT PADS for paving
Wallbarn offers the largest range of pedestals in the UK. Our products include simple fixed height support pads and extra high
adjustable pedestals with specialised designs and variations to accommodate the different types of roof and podium deck.
The major advantages of using support pedestals are to improve drainage, ease and speed of installation and protection of the
surface beneath. They also vastly reduce mess and disturbance during installation.
No mechanical fixings are required. The weight of the slab holds the system in place. As the paving slabs are suspended, the
waterproofing membrane is not pierced or compromised in any way.
Installation is much faster, cleaner and easier than by bedding paving slabs into mortar. They also future-proof the roof deck, as
they can be lifted at any time if the deck beneath requires inspection or maintenance.
STANDARD PAVING LAYOUT
The positioning lugs separate the slabs and give a uniform paving line. One corner of the slab rests on a quadrant of the pedestal.
STRETCHER BOND / HALF BOND / STAGGERED LAYOUT
For stretcher bond paving schemes one of the positioning lugs can be removed so that a slab will rest on half of the pedestal
head, which gives proper support.
3
5mm RUBBER PADS with separate cross spacers
The range of paving pedestals and supports starts with the fixed height 5mm rubber pad. The system works by using a 5mm
thick circular rubber disc and a separate loose cross spacer.
These ultra-thin paving pads give the minimal amount of lift off the deck. The membrane beneath is protected from direct contact
with a heavy paving slab or timber. If users wish to simply have protection and separation from the deck, this product is suitable.
This circular pad is manufactured from PVC and cut into a disc measuring 150mm in diameter. Both sides are smooth and flat.
The cross spacer is made from polypropylene and is placed onto the upper surface. Since the cross spacers are not fixed to the
rubber disc, there is not as much of the positioning guide given from other Wallbarn spacers and pedestals. These products are
on offer where height thresholds are extremely limited and separation is the most important factor.
The cross spacers are available in a variety of thicknesses, so if users wish to have larger gaps between the paving slabs,
flexibility is possible.
Cross spacers can also be used on the other Wallbarn paving pads and pedestals, where perhaps users wish to increase the gap
between the slabs on paving areas already installed, for instance.
TECHNICAL DATA
CODE FOR RUBBER DISC
SP-RUB-005
CODE FOR CROSS SPACERS
SP-PLA-003-CROSSSPACER
SP-PLA-004-CROSSSPACER
SP-PLA-005-CROSSSPACER
4
MATERIAL
PVC
THICKNESS / HEIGHT OFF SURFACE
5mm
WIDTH OF CROSS SPACERS
(distance between paving slabs)
3mm, 4mm & 5mm width available
CROSS SPACER HEIGHT
15mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
APPEARANCE
Flat disc both sides
6mm RUBBER PADS FOR PAVING
The range of paving pedestals and supports continues with the fixed height 6mm rubber paving pad with integrated positioning
lugs. This system works by inserting the paving lug headpiece onto a 5mm flat rubber pad. The headpiece itself is 1mm thick
so a 6mm high paving pad is created.
These ultra-thin paving pads give the adequate lift off the deck. The membrane beneath is protected from direct contact with a
heavy paving slab or timber.
There is no mechanical fixing required, the surface is secured by the weight of the slab. This cuts down weight on the roof
and also the hassle and mess of laying slabs into mortar. This leads to easier, cheaper and faster installation and makes postinstallation site inspection or leak detection much easier.
This circular pad is manufactured from PVC into 150mm in diameter disc. The upper surface is flat.
The lugged headpieces are available in a number of different lug thicknesses. The standard thickness is 2.2mm, but a 4mm,
6mm, 8mm and 10mm wide lug can be used with the disc to create larger gaps between each paving slab.
For fine adjustments to the level or the height, Wallbarn Levelling Shims can be used. Placed on the upper side of the dics, these
plastic shims are supplied 1mm, 2mm and 3mm thick. They can be snapped into quarters or halves, where only one side of the
disc needs height alteration. Please see page 12.
TECHNICAL DATA
CODE
SP-RUB-006-PAVING
MATERIAL
PVC
THICKNESS / HEIGHT OFF SURFACE
6mm
LUG WIDTH
(distance between paving slabs)
2.2mm standard width
(4mm, 6mm, 8mm & 10mm also available)
LUG HEIGHT
15mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
APPEARANCE
Flat disc both sides
OUTER DIAMETER
150mm
APPEARANCE
Flat disc both sides
5
7mm RUBBER PADS FOR PAVING
The next height of paving pedestals and supports is the fixed height 7mm rubber paving pad.
These ultra-thin paving pads still provide adequate drainage. By lifting the slab off the deck the rainwater is able to be channelled
between and below it and towards the drainage outlet. This prevents ponding on the surface. The paving lugged headpiece
sits into a slight indent which is moulded into the rubber pad, so the overall height remains at 7mm thick. Again, there is no
mechanical fixing required, the weight of the slab holds everything secure and in place.
This circular pad is manufactured from PVC into 150mm in diameter disc. The upper surface is moulded into a series of circular
ridges and grooves which encourages the rainwater to run off the surface of the pad. Water will not be held between the gaps in
paving as there is a clear escape route.
These pads are ideal for areas where the height threshold is restricted. This is often the case in refurbishment projects, where an
existing surface or system is overlaid.
The rubber compound means these pads have a soft, flexible, hard-wearing profile; helping to protect the membrane beneath
from damage. Rubber will also offer acoustic properties and create a separation layer from the deck. They are extremely tough
and durable and will also not become brittle in cold weather.
The removable headpiece is manufactured in plastic and is clicked into place through a hole in the centre of the pad. A large
range of different sized lug width is available.
For fine adjustments to the level or the height, Wallbarn Levelling Shims can be used. Placed on the upper side of the discs, these
plastic shims are supplied 1mm, 2mm and 3mm thick. They can be snapped into quarters or halves, where only one side of the
disc needs height alteration. Please see page 12.
TECHNICAL DATA
6
CODE
SP-RUB-007-PAVING
MATERIAL
PVC
THICKNESS / HEIGHTOFF SURFACE
7mm
LUG WIDTH (distance between paving slabs)
2.2mm standard width (4mm, 6mm, 8mm & 10mm also
available)
LUG HEIGHT
15mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
NUMBER OF DRAINAGE HOLES
6
9mm RUBBER PAVING SUPPORT PADS
The 9mm Rubber Paving Support Pads have a slightly different design. They are manufactured into a circular ring with a hollow
centre. They are made from a compound of synthetic and natural rubber and are designed to be tough, flexible and durable, able
to tolerate heavy loads without damaging the surface beneath.
Since the 9mm Rubber Paving Support Pads are made from synthetic rubber as opposed to plastic, they offer the distinct
advantages of being flexible and easy to cut. They have a rounded edge to prevent denting the membrane beneath, making them
ideal for installation directly onto more delicate surfaces, such as insulation or single ply. They are extremely tough and durable,
with a weight tolerance of 8 tonnes.
They also offer sound and vibration insulation, and are extremely resistant to extremes of heat and cold. They will not become
brittle in cold weather. The rubber compound ensures that the pads give a certain amount of grip, and will not slip on the surface
beneath when being installed.
As with all the Wallbarn paving pedestals, there is no mechanical fixing required with the Rubber Paving Support Pads or any
need to lay slabs in mortar – the surface is secured by the weight of the slab or covering. Contractors can take up, reposition, or
change completely the slabs, or inspect the deck beneath at any time without issue.
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The lugs ensure that the paving slabs are clearly separated from each other with regular spacing, giving a uniform paving line and
making the installation process fast, easy and without mess.
The 5mm gap provides good drainage between and beneath the slabs, which are lifted high enough off the sub-deck to ensure
no blockages occur. On the underside there are a series of grooves which channel rainwater away from the centre of the ring, so
no standing water is left in the long-term.
The material itself is extremely tough but flexible, meaning that the sub-deck is somewhat cushioned from the slabs.
The pads will not slip on the sub-deck and they can be laid onto very hard surfaces such as concrete or glass without scratching
or damage.
ADJUSTMENT / HEIGHT INCREASES
Often roof decks and surfaces will have dips or ridges in certain areas and increases and adjustments will need to be made to
individual pads to ensure the slabs are smoothly laid. These fine adjustments can be made with Wallbarn Levelling Shims. Placed
on the upper side of the support pads, these plastic shims are supplied 1mm, 2mm and 3mm thick. They can be snapped into
quarters of halves, where only one side of the support pad needs height alteration. Please see page 12.
If users require a greater height than 9mm, then a multiple number of shims can be added to create a thickness of 13mm.
TECHNICAL DATA
8
MATERIAL
Synthetic / natural rubber compound
THICKNESS / HEIGHT OFF SURFACE
9mm
LUG WIDTH (distance between paving slabs)
5mm
LUG HEIGHT
9mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
120mm
INNER DIAMETER
55mm
THICKNESS OF DRAINAGE CHANNELS
4mm per channel (8 channels per pad)
14mm & 17mm FIXED HEIGHT PADS
Wallbarn supplies a range of standard plastic paving rings for cost effective standard paving schemes. Our paving spacers
are made from injection moulded high density polypropylene made from recycled plastic. The ring shaped pad is a simple
design, but very hard wearing and tough. They are circular in shape with a hollow middle and a smooth, flat underside. They are
particularly ideal for ballasting inverted waterproofing systems.
Paving slabs are suspended on the pads so that the corners of four slabs rest on the four segments. The 3mm thick positioning
lugs, which are located at right angles to each other, position and separate the slabs to ensure sufficient drainage. The rainwater
passes through these gaps and underneath the slabs towards the roof outlet. The whole system is held securely in place by the
weight of the slab.
The suspended system ensures that there is no standing water on top of the slabs and the rainwater can be channelled and
collected efficiently.
There are a series of small holes within each segment of the support pad for drainage, meaning water does not collect either in
the hollow outer ring or in the central hole.
The positioning lugs ensure clear, consistent spacing between each slab, which gives uniform, straight paving lines. This speeds
up the installation process significantly and creates an attractive, superior finish to paved areas.
Wallbarn plastic fixed height support pads are made from 100% recycled polypropylene without the use of fillers, making them
strong and resistant to the elements. It is vital that these pads can withstand cold temperatures in the long-term.
Beware poor quality pads which become brittle and shatter in cold temperatures – they risk the safety of pedestrians.
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Wallbarn plastic paving pads are lightweight and easy to handle, but also strong and durable. They are easy to lay out and
position, and the installation process is fast, efficient and clean.
Mortar or binding is not required, meaning less mess and weight on the roof. Structural movement is not a problem since the
slabs are suspended. No fixings are required in the system, so nothing penetrates the waterproofing membrane. Manufacturers’
warranties are therefore unaffected.
Wallbarn recommends that a maximum of 2 units are ever stacked up. Please see our adjustable pedestal section for paving
schemes of 22mm and higher.
DETAILING
The support pads are made in four quadrants joined together with a small link.They can be easily snapped into segments of a
half or quarter to support paving slabs up to edges or around corners.
This eliminates wastage and gives a tidier finish to details.
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REMOVING THE LUGS
For stretcher bond paving patterns, or if contractors are laying very large or very thin tiles which require additional support under
the centre, the lug fittings can be removed to create a flat disc.
A sharp knife should be used to remove the lug fitting on one of the segments and the slab laid down onto one half (rather than
one quarter) of the support pad.
TECHNICAL DATA
MATERIAL
Injection moulded 100% recycled polypropylene
THICKNESS / HEIGHT OFF SURFACE
14mm & 17mm
LUG WIDTH
(distance between paving slabs)
3mm
LUG HEIGHT
9mm
WEIGHT TOLERANCE / BEARING CAPACITY
400kg
OUTER DIAMETER
150mm
INNER DIAMETER
80mm
THICKNESS OF DRAINAGE CHANNELS
8mm per channel (4 channels per pad)
WEDGE SHAPED RUBBER SHIMS / SLOPE CORRECTORS for FIXED HEIGHT PADS
These PVC discs are similar to the 5mm rubber discs found
on page 7 but are manufactured in a wedge shape.
They have a thickness which slopes from 3mm up to 8mm.
They can help to protect the waterproofing membrane
beneath the pads and act as an acoustic layer.
They are also effective slope correctors for the fixed
height pads keeping them vertical, arresting the falls
of the deck beneath.
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ACCESSORIES for FIXED HEIGHT PADS
Fixed height paving pads often require levelling up in some sections, where the deck level changes at certain points across the
roof. These minor changes can be addressed with the use of levelling shims.
1mm & 2mm shim
3mm shim
Levelling shims are manufactured 1mm, 2mm and 3mm thick and have been designed to fit on top of all fixed height support
pads to make up those small differences in the level. Applicators can simply hang a levelling shim over the positioning lugs on
the pad to make up the difference. The 3mm thick shim is a slightly different shape to the 1mm and 2mm shims, but all three are
suitable for all of the fixed height supports.
2mm shim on 9mm rubber pad
2mm shim snapped in half to prevent
slab rocking
3mm shim on 14mm plastic pad
The shims will overhang the rubber ring slightly, but this is no issue. The weight of the slab will ensure that the whole system
is held in place properly. Multiple numbers of shims can be added to the pads, but care should be taken that the lug does not
become engulfed as this will affect the paving guide.
All the shims can be snapped apart into a half shape or into quarters where only one corner needs extra support. This is often
required where just one of the flags becomes unsteady and needs bringing up to the level of the others.
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RUBBER ACOUSTIC / ANTI-SHOCK SHIMS
The 2.5mm thick acoustic shims are an effective vibration or sound control layer. They can deaden the sound of pedestrian
traffic over tiles or timber decking (very useful when terraces are being installed on top of dwellings below) and give
extra protection.
They are the same shape as the plastic 3mm shim, but are made from PVC instead of plastic. The shock absorbing shims are
loose fitted so no fixings or ties are needed. They are simply laid onto the pad / pedestal and hooked over the positioning lugs
on the headpiece of the pad / pedestal. Installation is fast and easy.
The shims will also give extra protection to the slabs or tiles themselves, acting as a cushion between the slab and the plastic
support pad / pedestal, reducing the risk of damage caused by vibration over time.
This can be of enormous benefit on housing projects in particular where terraces or walkways are constructed on top of domestic
properties and can drastically improve the experience of residents.
Additional acoustic protection and insulation can be achieved by also loose fitting a 5mm rubber disc – found on page 4 –
underneath the paving pad.
TECHNICAL DATA
CODE
SP-PLA-001-SHIM
SP-PLA-002-SHIM
SP-PLA-003-SHIM
SP-RUB-0025
description
1mm shim
2mm shim
3mm shim
2.5mm shock
absorbing
shim
PVC
THICKNESS
SP-RUB-0025
2mm
3mm
2.5mm
3-8mm
WEIGHT
TOLERANCE
SP-RUB-003-Z
400kg
400kg
8,000kg
8,000kg
OUTER
DIAMETER
150mm
150mm
150mm
150mm
150mm
MATERIAL
SP-PLA-003-SHIM
SP-RUB-003-Z
3-8mm
Adjustable
rubber wedge
rubber
13
MINI-MEGAPADS for paving
The first fully adjustable paving pedestal offered by Wallbarn is the Mini-Megapad. Two different pads are available, one 2230mm and the other 28-37mm. The major advantage of this design over the fixed height rings is that installers of suspended
paving systems can twist the telescopic stem of these units to get the most minute and accurate adjustment in height.
Manufactured to a similar specification to the higher Megapad range featured later, but with a slightly lower weight tolerance of
400kg per unit, these polypropylene units have a flat headpiece and base plate measuring 150mm in diameter. The lug separators
are supplied as separate units which click into the central hole to provide the 2mm gap between paving slabs.
The integrated thread in the central column allows for height adjustment. The paving slab is laid onto the pad / pedestal and the
head is twisted while the slab is in place. This avoids having to repeatedly lift heavy slabs when changing the height level.
It makes the installation process far faster and easier. The height can be finely tuned whilst the slab is in place whereas with fixed
height pads, the slab needs to be constantly lifted and replaced to add levelling shims.
The standard lug width is 2mm, but for schemes where larger gaps between slabs is required; 4mm, 6mm, 8mm and 10mm wide
positioning lugs are available.
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The underside of the pad is a smooth, solid, flat surface. The weight of the slab above can be evenly distributed across the
150mm diameter. This prevents point loading and any risk of the slabs digging into the surface beneath, a crucial consideration
when installing slabs onto delicate waterproofing membranes or insulation.
SLOPE CORRECTORS
On the underside there is a circular groove cut into the base where the Wallbarn slope correctors, featured on page 24, can be
slotted into place. These take out the slope of the deck and ensure the Mini-Megapads sit exactly vertical and stable.
An alternative slope corrector is the rubber 3-8mm wedge shaped disc found on page 11. The Mini-Megapad will sit onto the
rubber wedge without any fixing, but the weight of the slab should hold everything in place.
Of course these Mini-Megapads can also be fitted with TD headpieces for use with timber decking. Please see page 34 for more
details.
TECHNICAL DATA
CODE
HEIGHT
MATERIAL
LUG WIDTH
LUG HEIGHT
SP-MEG-022
SP-MEG-028
22-30mm
28-37mm
Injection moulded 100% polypropylene
2mm standard width
(4mm, 6mm, 8mm & 10mm also available)
15mm
DIAMETER OF HEAD
150mm
DIAMETER OF BASE
150mm
WEIGHT TOLERANCE
400kg
MAXIMUM TEMPERATURE
Plus 75°C
MINIMUM TEMPERATURE
Minus 40°C
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ASP ADJUSTABLE PAVING PEDESTALS / SUPPORT PADS
Best practice for roof and terrace design is to ensure the deck is built to a fall to allow proper drainage. To alleviate the fall across
the area, for the very best results, applicators should use ASP adjustable height pedestals / support pads. ASP pedestals are
ideal when a very high clearance is required across the area, where a large amount of adjustment or very accurate and minor
changes in the level are required.
ASP pedestals have a very high height range, from 25mm up to 380mm (in the ASP EXTRA range).
ASP pedestals offer a major advantage over fixed height pads. More luxurious finishes are possible and they offer a far easier,
faster and more effective method of laying suspended paving systems. Paving or decking tiles can be fitted up to the threshold
level on roof decks or terraces without any risk of flooding.
The 2.2mm positioning lugs create a gap between each slab which allows rainwater to pass between and beneath them. These
lugs give a clear paving line, so the slabs can be laid in a straight line quickly and easily.
This is a suspended system, so the pedestals are not fixed to the deck. This means there is no risk of the delicate
waterproofing membrane beneath being pierced or damaged and warranties are unaffected. The weight of the slabs is
spread through the base plates. If the deck ever needs to be inspected, the system can be taken up easily.
Wallbarn adjustable pedestals are made from virgin material polypropylene. This is to ensure that the weight tolerance
and strength is consistent and the pedestals perform in the long-term at high temperatures and temperatures as low
as -40° Celsius.
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The cavity created allows the structure to ventilate more effectively. It allows a greater amount of water to pass into the drains
without surface flooding. DPCs are not compromised as the slabs are not fixed to the walls.
Structural movement is not an issue as the slabs are not mortared together, so no cracks will appear.
This cavity also provides opportunities to hide unsightly objects, such as water pipes, electricity cables, drainage outlets and
manholes beneath the paving slabs. Drainage outlets are unobstructed.
ASSEMBLY
These robust pedestals / supports are manufactured from injection moulded polypropylene and can tolerate loads of 400kg per
unit. They are also have a very large tolerance to temperature change and will not crack in freezing temperatures.
The large baseplate holds the stem and nut fixing in the central collar. The headpiece slots into the square indent pressed into
the stem (the height of the pedestal is shown on the inside of the indent) and the whole unit is created.
The baseplate is manufactured with diagonal arms spreading out across the face of it. This ensures that the weight is spread to
the maximum possible area and does not concentrate on the core.
The pedestal is placed down and the slab is laid on top of the head piece. With the slab in situ, installers use their fingers to twist
the nut fixing on the stem up and down to adjust the height. There is no need to constantly remove and replace the slab.
If the height becomes very tight, installers can use the Wallbarn “Easykey” to help twist the nut fixing on the stem.
17
ASP pedestals are often used on the more high end projects, where designers and contractors wish to create seamless hard
landscaping on roof decks where there may be multiple steps and ridges; where existing levels need to be matched or where
services and outlets need to be covered.
Even large differences in the height of the deck can be alleviated, creating one level across the whole area. By suspending the
paving off the deck, truly beautiful finishes can be achieved on flat roofs and structural decks.
Slope correctors can be fitted to the baseplates of all ASP supports. Please see page 24 for more information.
TRIMMING THE BASE PLATES
The base plates are manufactured with a series of guide lines, in case users wish to trim them. This may be required when paving
up to the wall or around existing pipework or details.
The lines are marked as “Trim” lines, so installers can use an electric or handsaw to cut the bases back to the trim line, making
the baseplate smaller.
It is important not to cut the bases any further than the level of the trim line as this will affect the stability of the pedestal.
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TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm or 150mm
Headpiece Diameter
120mm
Lug Height
18.5mm or 10mm
Lug width / thickness
2.2mm, 4mm, 6mm, 10mm
CODE
DESCRIPTION / SIZE
SP-ASP-025-FIXED
ASP 25mm fixed pad
SP-ASP-035-FIXED
ASP 35mm fixed pad
SP-ASP-035
35-50mm ASP adjustable support pad
SP-ASP-050
50-70mm ASP adjustable support pad
SP-ASP-065
65-100mm ASP Adjustable support pad
SP-ASP-095
95-130mm ASP Adjustable support pad
SP-ASP-125
125-160mm ASP Adjustable support pad
SP-ASP-155
155-190mm ASP Adjustable support pad
SP-ASP-185
185-220mm ASP Adjustable support pad
SP-ASP-210
210-245mm ASP Adjustable support pad
SP-ASP-240
240-275mm ASP Adjustable support pad
SP-ASP-270
270-305mm ASP Adjustable support pad
SP-ASP-300
300-335mm ASP Adjustable support pad
SP-ASP-330
330-365mm ASP Adjustable support pad
➊
➋
please see MINI BASES page 22
➊
➋❷
➋
please see HEADPIECES page 23
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FLAT HEADED ADJUSTABLE SUPPORTS
Wallbarn supplies a full range of flat headed adjustable pedestals in exactly the same heights as the ASP and ASP EXTRA
ranges. When installing larger paving slabs; for example, those over 600mm, thinner tiles (such as 20mm thick tiles) or soft stones
such as slate; just having a pad in each corner may not give sufficient support.
Users can lay a flat headed pedestal under the centre of these slabs to give additional support, eliminating the risk of breakages.
They are manufactured in the same way as the ASP and ASP EXTRA ranges and match the technical specification in terms
of weight and temperature tolerance. Cross spacers, as featured on page 4, can be used to provide spacing between
slabs if required.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
CODE
➊
DESCRIPTION / SIZE
SP-FLAT-025-FIXED
FLAT HEADED 25mm fixed pad
SP-FLAT-035-FIXED
FLAT HEADED 35mm fixed pad
SP-FLAT-035
35-50mm FLAT HEADED adjustable support pad
SP-FLAT-050
50-70mm FLAT HEADED adjustable support pad
SP-FLAT-065
65-100mm FLAT HEADED Adjustable support pad
SP-FLAT-095
95-130mm FLAT HEADED Adjustable support pad
SP-FLAT-125
125-160mm FLAT HEADED Adjustable support pad
SP-FLAT-155
155-190mm FLAT HEADED Adjustable support pad
SP-FLAT-185
185-220mm FLAT HEADED Adjustable support pad
SP-FLAT-210
210-245mm FLAT HEADED Adjustable support pad
SP-FLAT-240
240-275mm FLAT HEADED Adjustable support pad
SP-FLAT-270
270-305mm FLAT HEADED Adjustable support pad
SP-FLAT-300
300-335mm FLAT HEADED Adjustable support pad
SP-FLAT-330
330-365mm FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-085-Z
85-135mm EXTRA FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-125-Z
125-215mm EXTRA FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-210-Z
210-380mm EXTRA FLAT HEADED Adjustable support pad
➊
20
120mm
PLEASE SEE MINI BASES PAGE 22
ASP EXTRA extended range of height per unit
ASP EXTRA pedestals were developed due to feedback Wallbarn had received from customers. Clients asked for pedestals with
a much greater amount of adjustment per unit and the ASP EXTRA range means that contractors can adjust from 85mm up to
380mm in only three different sized units.
When working on very large roofs or areas where the falls were not always consistent; installers require the added flexibility and
scope to adjust pedestals by a far greater amount. This is often the case on refurbishment projects or roof decks which have
steps or awkward changes in level. This makes the estimating process significantly easier and avoids having to swap sizes if the
levels on site are different to the levels on the original drawings.
ASP EXTRA 85-135mm
ASP EXTRA 125-215mm
ASP EXTRA 210-380mm
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
➊❶
Base Plate Diameter
200mm or 150mm
Headpiece Diameter
120mm
Lug Height
18.5mm or 10mm
Lug width / thickness
2.2mm, 4mm, 6mm, 10mm
CODE
DESCRIPTION
SP-ASP-EXTRA-085-Z
85-135mm EXTRA ASP Adjustable support pad
SP-ASP-EXTRA-125-Z
125-215mm EXTRA ASP Adjustable support pad
SP-ASP-EXTRA-210-Z
210-380mm EXTRA ASP Adjustable support pad
➊
➋
please see MINI BASES page 22
➋❷
➋❷
please see HEADPIECES page 23
21
PAVING UP TO THE EDGE – MINI BASES
Mini Bases have been developed so contractors can pave directly up the wall or parapet effectively.
Mini Bases are designed for use with the ASP and ASP EXTRA range. They have a 150mm diameter base plate (the standard
diameter baseplate is 200mm) which means the paving slab can be butted up against the upstand or parapet wall without a gap
between that slab and the wall.
For best results, snap two of the positioning lugs off the head piece (or ask for the special 2 lugged headpiece from Wallbarn)
and lay only the corners of two slabs – rather than four – onto the headpiece.
The slabs are properly supported and stable. There is no risk of the slab tipping up as it is not overhanging.
The baseplates will fit any height of ASP or ASP EXTRA pedestal. The strength and weight tolerance is the same as with the
standard bases. Point loading is slightly increased, however.
Ask for MINI BASES for edges, parapets and perimeters.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Base Plate Diameter
150mm
Headpiece Diameter
120mm
Lug Height
18.5mm or 10mm
CODE
DESCRIPTION
suitable for
SP-BASE-MB-025
Small Mini Base Plate - 150mm diameter
ASP 25mm FIXED & ASP 35-50mm
SP-BASE-MB-035
Large Mini Base Plate - 150mm diameter
ASP 35mm FIXED & ASP 50mm AND
ABOVE (INC ASP EXTRA)
➋
22
➋❷
PLEASE SEE HEADPIECES PAGE 23
Different headpieces for ASPs
Wallbarn offers a number of different designed headpieces, suitable for a number of different applications. All the headpieces are
made from the same virgin fibre polypropylene as the other components of the ASP units.
The STANDARD ASP HEADPIECE for ASP adjustable pedestals is the most common type of headpiece used for paving schemes.
It measures 120mm diameter and has four lug fittings 2.2mm wide and 18mm high. This will hold a 50mm slab in place effectively
and gives a sufficient amount of drainage between slabs. Wallbarn can offer variations to this standard headpiece, according to
the needs of the client.
STANDARD ASP HEADPIECE
Lug size: 2.2mm thick
18mm high
4mm thick Lugged Headpiece
Lug size: 4mm thick
18mm high
10mm thick Lugged Headpiece
Lug size: 10mm thick
18mm high
If installers require a larger gap between the paving slabs, a 4mm thick Lugged Headpiece can be supplied which will allow a
greater amount of water to pass through the gaps. This may be required where, for example; installers need to match up to an
existing paving scheme using the 9mm rubber pads (on page 7).
A 6mm thick Lugged Headpiece (not pictured) and a 10mm thick Lugged Headpiece is also available, although designers should
be sure that such a large gap does not present a trip hazard in some instances.
SHORT LUGGED HEADPIECE
Lug size: 2.2mm thick
10mm high
2 LUGGED HEADPIECE
Lug size: 2.2mm thick
18mm high
FLAT HEADED HEADPIECE
ZERO LUGS
Where thinner slabs are being installed, such as porcelain tiles (which can typically be 20mm thick); the standard height lugs may be
too visible for a truly fine finish. A SHORT LUGGED HEADPIECE, with 10mm high lugs, is available should this be the case.
2 LUGGED HEADPIECES can be used if irregular paving patterns are being laid, such as stretcher or half-bond
schemes. The slab will need supporting not only at all four corners but also at every junction point, in a T junction or across a
larger span. In these instances, this 2 lugged headpiece can be fitted onto the pedestal to allow adequate support at the edge.
These headpieces are also useful when paving directly up the parapet wall, where two slab corners, rather than the usual four,
need to be supported. Please see the MINI BASES section on page 22.
FLAT HEADED HEADPIECES are used if very large paving slabs are being installed and need additional support
under the centre. Also, where very thin tiles or more delicate / soft stones are being laid (such as slate), then it is recommended
that an additional pedestal is placed underneath the centre of the slab to give added support. The headpiece is completely flat,
so will not scratch the paving or interfere with the levels.
Further information on FLAT HEADED HEADPIECES can be found on page 20.
23
SLOPE CORRECTORS for ASP & MEGAPAD pedestals
Slope correctors are wedge shaped plastic levellers which are clipped or fitted onto the base plate of adjustable pedestals. They
are suitable for use with ASP, TD and Megapad supports; including the new mini-Megapads, ASP MBs with the 150mm diameter
base plate, the ASP EXT and ASP EXT EXTRA range.
Slope correctors are available in three sizes, with a 1%, 2% and 3% gradient.
They are designed to arrest the fall of the roof or deck beneath – even “flat roofs” will be built to a fall for drainage. By having
these wedges attached underneath, the support pads remain completely vertical and straight, which ensures the force of gravity
to run directly vertical (see purple arrows below), preventing tilting and keeping the support pad more stable.
They are very easy to apply to the base plate. For the 200mm diameter base plates, two simple clips (green arrows) fix around
the lip of the baseplate. All 150mm base plates have a groove inside the perimeter which slots into a series of ridges (red arrows)
situated on the inner ring of the slope corrector.
More than one slope corrector can be applied if required as one can clip onto another very easily. Wallbarn recommends that
pedestals are used on roof decks with a maximum slope of 10%.
The gradient or slope is measured as a percentage. The deck is most commonly laid to a fall around 1 in 40, so a 2% slope
corrector is normally chosen.
TECHNICAL DATA
24
Material
Virgin fibre injection moulded polypropylene
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Outer diameter
200mm
Inner diameter
82mm
CODE
DESCRIPTION
SP-ASP-SLOPE001
1 Percent Slope Corrector
suitable for
SP-ASP-SLOPE002
2 Percent Slope Corrector
ASP, ASP EXTRA, Megapad,
Mini-Megapads
SP-ASP-SLOPE003
3 Percent Slope Corrector
TD, TD PLUS, TD MOBILE,
TD Megapad
MEGAPADS for paving
Some decks require a very high cavity beneath the paving slab, and there can be complicated areas where large steps and
different levels are present across the deck. Often, large services such as pipework and machinery, ducts and drainage channels
need to be covered. Megapads are the optimum product for such areas.
Megapads are the heavy duty range of pedestals which are available in heights up to 1020mm. They are extremely tough and
hard wearing with a weight tolerance of 800kg. They are ideal for holding up truly massive and very heavy slabs.
The larger Megapads also have an extended height range of 105mm each. This means less different sizes to order when installing
across a large area.
They create a large cavity between the deck surface and the underside of the slab, which helps to ventilate the area and prevent
issues such as rising damp and water getting clogged beneath the slab. Slabs are also well away from drains, outlets and
pipework.
They are also resilient to very high and very low temperatures. They have been used successfully in some of the coldest populated
regions on earth.
25
ASSEMBLY (115mm and higher)
Megapads are made up of multiple sections, which lock together to form one, sturdy unit. At 115mm and higher, Megapads are increased in height
by adding a 100mm high EXTENSION TOWER.
These towers click into the baseplate and to each other
(if required) so multiple towers can be added to the Megapad,
increasing the height up to a maximum of 1020mm. When installing slabs, users should set out the Megapads at around the correct height, lay the slab down and then make final
adjustments made by hand. Their superior strength and flexibility mean that installers can adjust the height of the pedestal whilst
the slab is in situ. This avoids having to repeatedly lift the slab to adjust the levels, a huge advantage when using very large or
very heavy slabs.
26
LOCKING THE HEIGHT
At 35mm and above, Megapads are designed to be “locked” into place once the correct height has been achieved with the
ingeniously designed double-locking- thread mechanism. The headpiece, the extension towers, baseplate connect together by
screwing into each other in the usual manner (green arrows).
As the extension tower, adjustable thread section and headpiece are all screwed into place, a locking ring section (red arrows) is
counter threaded at two points, up to the headpiece and at the bottom of the stem, linking either to the baseplate or an extension
collar.
A special “Easykey” tool is used to help act as a wrench to ensure the locking nut is tightly screwed into place. The grooves in
the handle fit around bars moulded onto the locking ring to give extra leverage when tightening them.
Once these locking rings are secured in place, the pedestals cannot change in height or start to unwind. The “Easykey” is again
used to release the locking ring. It is pressed into a small hole to release a spring within the unit, allowing the threads to be
unlocked and untwisted, should installers wish to change the height at a later date.
PAVING UP TO THE EDGE – MEGAPADS ARE REVERSIBLE
At 115mm high and above, the unit can be inverted. When paving up to the edges, up to balustrades and railings, or around
corners; the very edge of the slab needs to be properly supported to prevent that slab tipping if weight is placed onto the lip. The
support pad can be turned upside down and the lug head unit placed into what was the base plate.
Since the base plate is 200mm in diameter, when turned upside down it, the new headpiece is 200mm in diameter, wider than
the new base plate. Therefore, the paving slab sits securely onto the wider headpiece and does not overhang the supporting
columns. This means the slabs are fully supported and can be butted up against the wall without risk of tipping. Even at their
maximum height these supports are stable and secure.
27
MINI MEGAPADS
Mini-Megapads allow installers to lay slabs onto decks with very minimal
suspension off the deck, but still allow telescopic adjustment. Very minor
changes to the height level can be achieved.
These smaller pads are available 22-30mm and 28-37mm. They have a head
and base diameter of 150mm. The weight tolerance is lower, however, at
400kg per unit.
Please see page 14 for more details.
SHOCK ABSORBING SHIMS
For additional acoustic properties, or if more grip
is needed, rubber shock absorbing shims can be
installed onto the headpiece of Megapads.
The shim will hook over the positioning ugs so that
it sits securely in place.
Please see the accessories section on page 13 for
more details.
SLOPE CORRECTORS
The base plates come with clip fixings to allow slope correctors to be fitted.
These wedge shaped levellers help prevent tilting of the units when paced on
the built-to-falls deck.
The Megapad remains completely vertical with its centre of gravity
going directly through the middle of the unit. This keeps the slabs on top
completely stable.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
800kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
150mm
Lug Height
15mm
Lug width / thickness
2mm, 4mm, 6mm, 8mm or 10mm
CODE
DESCRIPTION / SIZE
SP-MEG-022
SP-MEG-028
Megapad 22-30mm - see MINI MEGAPAD PAGE
➊
Megapad 28-37mm - see MINI MEGAPAD PAGE
SP-MEG-035
Megapad 35-50mm
SP-MEG-050
Megapad 50-75mm
SP-MEG-075
Megapad 75-120mm
SP-MEG-115
Megapad 115-220mm
SP-MEG-215
Megapad 215-320mm
SP-MEG-315
Megapad 315-420mm
SP-MEG-415-
Megapad 415-520mm
SP-MEG-515
Megapad 515-620mm
SP-MEG-615
MEGAPAD 615-720MM
SP-MEG-715
MEGAPAD 715-820MM
SP-MEG-815
MEGAPAD 815-920MM
SP-MEG-915
MEGAPAD 915-1020MM
➊
28
➊
400kg weight tolerance, 150mm base – please see MINI BASES page 22 for full technical data
TIMBER DECKING
Many roof decks, terraces and walkways are constructed with a timber decking surface. Where the decking is built onto
waterproofing, however, it is important that the timber does not come into direct contact with waterproofing membrane.
Wallbarn developed a range of pads and pedestals to raise the timber decking off the roof deck. These pads and pedestals
provide proper drainage, preventing the timber digging into the membrane; and keeping the wood out of standing water, helping
to prevent rotting.
The supports are manufactured with a specially designed headpiece to hold timber joists. These are typically 60mm apart which
will allow a 2 inch joist or batten to fit in between the pegs / lugs easily.
The supports are not drilled or bonded to the deck and the joists sit on them without being fixed. Once the battens are placed
onto the headpieces, they are joined together to form a joist framework.
The battens / joists should be laid onto the supports no more than 600mm apart to avoid any risk of point loading of
weight or the timber bouncing.
The decking boards are then fixed the joist frame. It is designed to be loose fitted. This allows for movement.
The void between the decking and the roof ventilates the roof-deck and also means the void can be used to hide items such as
water pipes, electrical wiring and drains.
29
5mm RUBBER DISCS
Where users need the very minimum amount of height off the surface when installing timber decking systems, the plain fixed
height 5mm rubber paving pad can be considered.
These ultra-thin paving pads give the minimum lift off the deck required for drainage. It is important to separate the timber from
the membrane beneath to prevent damage.
The circular pad is manufactured from PVC into 150mm in diameter disc. The upper surface is flat. There is no adjustment in
height possible using this product. The disc is used more as a separation and protection layer than a pedestal.
TECHNICAL DATA
5mm thick Rubber support disc
30
code
SP-RUB-005
material
PVC
THICKNESS / HEIGHT OFF SURFACE
5mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
APPEARANCE
Flat disc both sides
6mm RUBBER PADS FOR DECKING
On alternative to the 5mm disc is the 6mm pad for decking, with the integrated joist holder. The decking headpiece is placed onto
the flat rubber disc to create a 6mm high decking pad. This is ideal for areas where the surface beneath needs to be protected
and the timber joists need to be lifted off the deck to allow rainwater to escape.
TD PLUS HEADPIECE FOR 6mm RUBBER PAD
The alternative headpiece – the TD Plus – can also be used here. Installers can screw the timber joists in place through the side
bars if they wish to more fully secure the framework.
TECHNICAL DATA
CODE
SP-RUB-006-DECKING
MATERIAL
PVC
THICKNESS / HEIGHT OFF SURFACE
6mm
DISTANCE BETWEEN LUGS
60mm
FIXING POINTS ON LUGS
SP-RUB-006-DECKING TD PLUS
2
LUG HEIGHT
16mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
APPEARANCE
Flat disc both sides
30mm
31
7mm RUBBER PADS FOR DECKING
The next height of timber decking supports is the fixed height 7mm rubber decking pad. Imperial measurements are also
included on the rubber discs. The disc is approximately ¼ inch thick. The exact measurement is 0.276 “.
These discs have been specially designed to improve drainage even at these very low heights.
These circular pads are manufactured from PVC into 150mm diameter discs. The upper surface is moulded into a series of
circular ridges and grooves which encourages the rainwater to run off the surface of the pad. Water will not be held on the surface
of the disc, which means there is less risk of standing water affecting the timber joists in the long term.
There is no mechanical fixing required, the weight and stability of the frame will hold everything secure and in place.
The rubber compound means these pads have a soft, flexible, hard-wearing profile; helping to protect the membrane beneath
from damage. Rubber will also offer acoustic properties and create a separation layer from the deck. They are extremely tough
and durable and will also not become brittle in cold weather.
These pads are ideal for refurbishment projects, where an existing surface or system is overlaid.
TECHNICAL DATA
32
CODE
SP-RUB-007-DECKING
MATERIAL
PVC
THICKNESS / HEIGHT OFF SURFACE
7mm
DISTANCE BETWEEN LUGS
60mm
LUG HEIGHT
18.5mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
NUMBER OF DRAINAGE HOLES
6
TD PLUS HEADPIECE FOR 7mm RUBBER PAD
The alternative TD Plus headpiece is also used for the 7mm rubber disc. Installers can screw the timber joists in place through
the side bars if they wish to more fully secure the framework.
TECHNICAL DATA
CODE
SP-RUB-007-DECKING TD PLUS
MATERIAL
PVC
THICKNESS / HEIGHT OFF SURFACE
7mm
FIXING POINTS ON LUGS
2
LUG HEIGHT
30mm
WEIGHT TOLERANCE / BEARING CAPACITY
8,000kg
OUTER DIAMETER
150mm
number of drainage holes
6
33
TD MINI MEGAPADS
The first fully adjustable timber decking pedestal is the TD Mini Megapad. Even when only a minimal lift off the sub-deck is
needed, the option of having a pedestal which can be adjusted in height is preferable.
Made from injection moulded virgin fibre polypropylene (PP) with no fillers, these support pads are extremely tough and strong.
They can tolerate 400kg in weight per unit, and can withstand vast temperature changes – from plus 75°C to minus 40°C –
without cracking or losing its bearing capacity.
They available in two sizes, 22-30mm and 28-37mm. The headpiece and baseplate are 150mm in diameter and the head has a
joist holder which clips into the centre of the unit. The housing lugs are placed 60mm apart, so a timber joist can be placed on
the headpiece between the lugs and be held securely.
Using TD Mini Megapads means that installers do not need to spend time and effort placing shims under fixed height pads. The
units can be twisted with the joists in place to alter the height. That way, the timber joist frame, which is constructed to hold the
deck boards in place and provide a solid structure, is completely flat and level.
The decking will therefore be completely flat, giving a much higher quality appearance.
34
Mini Megapads can be used without their housing lugs as flat headed units to support oversized joists, such as the EasyClick
system of decking available exclusively from Wallbarn.
EasyClick is the innovative new decking product made up of aluminium battens which have been fitted with pre-measured clips
which click into the grooves moulded into the specially designed deck boards. No screws, fixings or softwood joists are required.
This is the fastest and easiest way to fit timber and composite decking systems.
There is a dedicated website for iDecking EasyClick and a separate brochure. Please ask Wallbarn for more details.
TECHNICAL DATA
CODE
SP-TD-MEG-022
SP-TD-MEG-028
22-30mm
28-37mm
HEIGHT
MATERIAL
Injection moulded 100% polypropylene
WIDTH BETWEEN LUGS
60mm
LUG HEIGHT
18.5mm
DIAMETER OF HEAD
150mm
DIAMETER OF BASE
150mm
WEIGHT TOLERANCE
400kg
MAXIMUM TEMPERATURE
Plus 75°C
MINIMUM TEMPERATURE
Minus 40°C
ADJUSTING THE MINI MEGAPAD
Because the amount of adjustable thread is so small – only 8mm in the
case of the smaller pad – it is sometimes difficult for applicators to get
their fingers into the space to alter the height.
Wallbarn has a Megapad Multi-function key which can be used as a
wrench. One end of the key is placed around the vertical bars on the
stem section and the key can then be used as a wrench to turn the
stem and adjust the height of the Mini Megapad.
SLOPE CORRECTORS
Slope correctors (found on page 55) can be used with TD Megapads.
Although the slope correctors have a larger diameter than the Mini
Megapads, there are a series of ridges moulded into the slope corrector
on the inner rim.
These ridges click onto grooves on the baseplate of the Mini Megapad,
aligning them securely into place. This means the Mini Megapad will be
vertical and completely stable.
35
TD SUPPORT PADS for decking
Timber decking is constructed on a considerable amount of roofs, terraces and walkways. Timber decking can provide beautiful,
natural looking spaces in urban areas and complement soft landscaping very well. The waterproofing of these roofs and terraces
are very important. Care must be taken to protect these often delicate membranes as warranties are often at stake. Simply laying
timber directly onto the membrane runs too much risk of damage.
Wallbarn’s TD range was developed to provide a solution to this problem. The strong polypropylene pads lift the decking off
the roof deck. This offers the following advantages: allowing proper drainage of the decking surface, reducing slip hazards,
preventing the timber digging into the membrane beneath, and keeping the wood out of standing water.
These adjustable supports have a specially designed headpiece with pegs positioned in the corners, either 40mm or 60mm
apart. This means a 2 inch joist or batten can fit in between the pegs / lugs easily and there is a little extra room in case the timber
joist is not completely straight and to allow movement.
Installation using this system is simple – the pads are loose laid onto the deck; the telescopic stems are adjusted to ensure the
upper surface is level; a joist framework is constructed on top of the supports (cross battens are screwed into place to give a
framework which is sturdy and weight bearing) and the top layer of decking boards are fixed to the joist frame.
Wallbarn recommends that the TD Support Pads are sited no more than 600mm apart.
There is no risk of them moving off the head piece and no bonding or fixings onto the support itself are required. There is no need
to mechanically fix the supports into the membrane; this is a completely free standing system.
36
The battens / joists are suspended off the deck, meaning none of the wood is exposed to standing water, which can rot the
timber. Also, the joists are not lying directly on the waterproofing membrane, which can often damage the membrane. The weight
of the whole timber deck is distributed through the wide baseplates. This prevents digging into the surface beneath and helps to
make the whole decking structure more stable.
ASSEMBLY
Assembly of the TD range is the same as with the ASP range. The large baseplate holds the stem and nut fixing in the central
collar. The headpiece slots into the square indent pressed into the stem (the height of the pedestal is shown on the inside of the
indent) and the whole unit is created.
The baseplate is manufactured with diagonal arms spreading out across the face of it. This ensures that the weight is spread to
the maximum possible area and does not concentrate on the core.
Installers use their fingers to twist the nut fixing on the stem up and down to adjust the height. There is no need to constantly remove
and replace the timber joist. The joists rest on top of the headpiece between the housing lugs / pegs located on the edge.
There are a series of “Trim” marks on the base plate (see page 18 for more details) should installers wish to trim them back
around corners of details. This is less of an issue than for paving, however, as the timber joist can easily overhang the headpiece.
37
Installers can adjust the height of the pedestals whilst the timber joists are in place on the headpieces. The best method is
to suspend the joist at each end onto the pedestals, check the level is correct with a laser or spirit level and then add extra
pedestals across the length of the joist to give sufficient support (no more than 600mm apart). This is a fast and easy process.
The void between the decking and the roof can be used to hide items such as water pipes, electrical wiring and drainage outlets.
Drainage is uninterrupted, a major advantage.
Wallbarn TD pedestals are suitable for treated softwood, tropical hardwood and composite decking systems. Our products are
the pedestal of choice for a number of high-end, patented decking systems in the UK and worldwide.
38
Pressure treated softwood – social housing project refurbishment – roof terrace
Yellow Balau tropical hardwood fixed to treated softwood joists – office development, City of London
Composite decking fixed to 6 x 2” joists – office refurbishment project, London
39
TECHNICAL DATA
MATERIAL
Virgin fibre injection moulded polypropylene
WEIGHT TOLERANCE
400kg
MAX TEMPERATURE
Plus 75 °C
MIN TEMPERATURE
Minus 40 °C
BASE PLATE DIAMETER
200mm or 150mm
HEADPIECE DIAMETER
120mm
WIDTH BETWEEN LUGS
60mm or 40mm
LUG HEIGHT
18.5mm
CODE
DESCRIPTION / size
SP-TD-025-FIXED
TD 25mm fixed height Timber Decking Pad
SP-TD-035-FIXED
TD 35mm fixed height Timber Decking Pad
SP-TD-035
35-50mm TD Timber Decking Pad
SP-TD-050
50-70mm TD Timber Decking Pad
SP-TD-065
65-100mm TD Timber Decking Pad
SP-TD-095
95-130mm TD Timber Decking Pad
SP-TD-125
125-160mm TD Timber Decking Pad
SP-TD-155
155-190mm TD Timber Decking Pad
SP-TD-185
185-220mm TD Timber Decking Pad
SP-TD-210
210-245mm TD Timber Decking Pad
SP-TD-240
240-275mm TD Timber Decking Pad
SP-TD-270
270-305mm TD Timber Decking Pad
SP-TD-300
300-335mm TD Timber Decking Pad
SP-TD-330
330-365mm TD Timber Decking Pad
➊
40
please see MINI BASES page 22
➊❶
TD EXTRA SUPPORT PADS for decking
As with the ASP EXTRA pedestals for paving, Wallbarn has developed support pads with a much larger height range for timber
decking also. Therefore, when installing decking, users can adjust from 85mm up to 380mm in only three different sized units.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm or 150mm
Headpiece Diameter
120mm
➊
width between lugs
60mm or 40mm
Lug height
18.5mm
CODE
DESCRIPTION
SP-TD-EXTRA-085-Z
85-135mm EXTRA TD Timber Decking Pad
SP-TD-EXTRA-125-Z
125-215mm EXTRA TD Timber Decking Pad
SP-TD-EXTRA-210-Z
210-380mm EXTRA TD Timber Decking Pad
➊
please see MINI BASES page 22
41
90mm wide TD HEADPIECES
A special headpiece is available with housing lugs placed 90mm apart. These units may be required where a larger timber joist
is being laid onto the pedestal.
Having a larger timber joist means that the whole decking system is stronger and more stable, and potentially more weight can
be loaded onto it.
However, care must be taken to ensure that the additional weight of the joist structure or whatever is placed onto the decking
does not overload the whole system. Although the pedestals will tolerate 400kg in weight each, Wallbarn always recommends
that pedestals are placed no more than 600mm apart when constructing timber decking areas.
TECHNICAL DATA
MATERIAL
Virgin fibre injection moulded polypropylene
WEIGHT TOLERANCE
400kg
MAX TEMPERATURE
Plus 75 °C
MIN TEMPERATURE
Minus 40 °C
BASE PLATE DIAMETER
200mm or 150mm
HEADPIECE DIAMETER
120mm
WIDTH BETWEEN LUGS
90mm
LUG HEIGHT
14mm
CODE
DESCRIPTION
SP-TD-025-FIXED
TD 25mm fixed height Timber Decking Pad with 90mm lugs
SP-TD-035-FIXED
TD 35mm fixed height Timber Decking Pad with 90mm lugs
SP-TD-035
35-50mm TD Timber Decking Pad with 90mm lugs
SP-TD-050
50-70mm TD Timber Decking Pad with 90mm lugs
SP-TD-065
65-100mm TD Timber Decking Pad with 90mm lugs
SP-TD-095
95-130mm TD Timber Decking Pad with 90mm lugs
SP-TD-125
125-160mm TD Timber Decking Pad with 90mm lugs
SP-TD-155
155-190mm TD Timber Decking Pad with 90mm lugs
SP-TD-185
185-220mm TD Timber Decking Pad with 90mm lugs
SP-TD-210
210-245mm TD Timber Decking Pad with 90mm lugs
SP-TD-240
240-275mm TD Timber Decking Pad with 90mm lugs
SP-TD-270
270-305mm TD Timber Decking Pad with 90mm lugs
SP-TD-300
300-335mm TD Timber Decking Pad with 90mm lugs
SP-TD-330
330-365mm TD Timber Decking Pad with 90mm lugs
SP-TD-EXTRA-085
85-135mm EXTRA TD Timber Decking Pad with 90mm lugs
SP-TD-EXTRA-125
125-215mm EXTRA TD Timber Decking Pad with 90mm lugs
SP-TD-EXTRA-210
210-380mm EXTRA TD Timber Decking Pad with 90mm lugs
➊
42
➊❶
please see MINI BASES page 22
TD PLUS SUPPORT PADS for decking
A new headpiece for timber decking has been developed, the TD PLUS headpiece. This flat headpiece is square in shape, and
has a side bar to one side only. This means larger timber joists can be laid onto the head and details such as junctions between
right-angled joists can be adequately supported.
There are two fixing points on the side bar which allow wood
screws to be fitted into the timber joist, giving extra stability
where required.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Dimension
120 x 90mm
Side Bar Height
30mm
Connecting Points
2
CODE
DESCRIPTION
SP-TD PLUS-025-FIXED
TD PLUS 25mm fixed pad
SP-TD PLUS-035-FIXED
TD PLUS 35mm fixed pad
SP-TD PLUS-035
35-50mm TD PLUS Timber Decking Pad
SP-TD PLUS-050
50-70mm TD PLUS Timber Decking Pad
SP-TD PLUS-065
65-100mm TD PLUS Timber Decking Pad
SP-TD PLUS-095
95-130mm TD PLUS Timber Decking Pad
SP-TD PLUS-125
125-160mm TD PLUS Timber Decking Pad
SP-TD PLUS-155
155-190mm TD PLUS Timber Decking Pad
SP-TD PLUS-185
185-220mm TD PLUS Timber Decking Pad
SP-TD PLUS-210
210-245mm TD PLUS Timber Decking Pad
SP-TD PLUS-240
240-275mm TD PLUS Timber Decking Pad
SP-TD PLUS-270
270-305mm TD PLUS Timber Decking Pad
SP-TD PLUS-300
300-335mm TD PLUS Timber Decking Pad
SP-TD PLUS-330
330-365mm TD PLUS Timber Decking Pad
SP-TD PLUS-EXTRA-085
85-135mm EXTRA TD PLUS Timber Decking Pad
SP-TD PLUS-EXTRA-125
125-215mm EXTRA TD PLUS Timber Decking Pad
SP-TD PLUS-EXTRA-210
210-380mm EXTRA TD PLUS Timber Decking Pad
43
TD MOBILE pedestals
This movable headpiece is also available for decking, which can be adjusted in width so that different sized timber battens and
joists can be fitted onto the pads without the risk of the weight being lopsided.
The headpiece comprises of a flat, square shaped plate and a side bar which can be moved to a number of different widths.
The face of the headpiece has clearly defined measurements ranging from 30mm to 90mm, so the side bar can be moved to
match the exact width of the timber joist. This ensures that the weight of the timber joist directed down through the central stem,
eliminating the risk of the weight pulling the system off balance and spreading the weight evenly through the base plate.
The side bar clicks into holes situated along the face of the headpiece. These holes are situated so that a 30mm, 50mm, 70mm
and 90mm timber joist will sit across the centre of the headpiece, directly on top of the central stem.
The side bar has three holes to allow wood screws to fix the batten / joist to the pedestal, creating a more secure structure.
TECHNICAL DATA
44
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
120mm x 120mm
Side Bar
30mm
Connecting Points
Width Options
3
30mm, 50mm, 70mm, 90mm
CODE
DESCRIPTION
SP-TD MOBILE-025-FIXED
TD MOBILE 25mm fixed pad
SP-TD MOBILE-035-FIXED
TD MOBILE 35mm fixed pad
SP-TD MOBILE-035
35-50mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-050
50-70mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-065
65-100mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-095
95-130mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-125
125-160mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-155
155-190mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-185
185-220mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-210
210-245mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-240
240-275mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-270
270-305mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-300
300-335mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-330
330-365mm TD MOBILE Timber Decking Pad
SP-TD MOBILE-EXTRA-085
85-135mm EXTRA TD MOBILE Timber Decking Pad
SP-TD MOBILE-EXTRA-125
125-215mm EXTRA TD MOBILE Timber Decking Pad
SP-TD MOBILE-EXTRA-210
210-380mm EXTRA TD MOBILE Timber Decking Pad
SLOPE CORRECTORS for TD MEGAPADS
Slope correctors are wedge shaped plastic levellers which are clipped or fitted onto the base plate of adjustable pedestals. They
are suitable for use with the TD Megapad range.
Slope correctors are available in three sizes, with a 1%, 2% and 3% gradient.
They are designed to arrest the fall of the roof or deck beneath. Even so called “flat roofs” will be built to a slight fall for drainage.
They are very easy to apply to the base plate. For the 200mm diameter base plates, two simple clips (green arrows) fix around
the lip of the baseplate. All 150mm base plates have a groove inside the perimeter which slots into a series of ridges (red arrows)
situated on the inner ring of the slope corrector.
More than one slope corrector can be applied if required as one can clip onto another very easily. Wallbarn recommends that
pedestals are used on roof decks with a maximum slope of 10%.
The gradient or slope is measured as a percentage. The deck is most commonly laid to a fall around 1 in 40, so a 2% slope
corrector is normally chosen.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Max Temperature
MOBILE 75 °C
Min Temperature
Minus 40 °C
Outer diameter
200mm
Inner diameter
82mm
CODE
DESCRIPTION
SP-ASP-SLOPE001
1 Percent Slope
Corrector
SP-ASP-SLOPE002
2 Percent Slope
Corrector
SP-ASP-SLOPE003
3 Percent Slope
Corrector
ASP, ASP EXTRA, LEGAPAD,
MINI-MEGAPAD
TD, TD PLUS, TD MOBILE,
TD EXTRA, TD MEGAPAD,
TD MINI MEGAPAD
45
TD MEGAPADS
Megapads are available specifically designed for timber decking. TD Megapads have a headpiece with lugs positioned 60mm
apart, to house a 2 inch timber joist.
TD Megapads can withstand a load of 800kg per unit, meaning fewer units are required per square metre. Also, because each
unit has a much larger range of adjustment (105mm for the larger sizes), less different sizes are required, making estimating an
easier task.
The higher weight tolerance means more weight can be placed onto the timber decking. Items such as planters and Jacuzzis can
be included, subject to the strength of the actual timber or composite material being sufficient, of course.
As with the paving Megapads, the TD Megapads have a series of telescopic threads laid out on the stems. The units wind up and
down on the threads to gain the correct height and the height can be fixed securely with locking rings, which are counter-screwed
into place. These rings lock the unit at the height selected. The Megapads will not move on the thread over time, meaning the
height of the decking is fixed permanently and there is no risk of rocking.
46
As the TD Megapads are a more substantial unit, they are sturdy and stable even when fixed to very high levels. The units can
be adjusted to a maximum height of 1020mm.
Larger cavities beneath the decking are often sought to give adequate clearance from sections on the sub-deck, such as
drainage outlets and pipework. Steps and large changes in the height of the sub-deck can be overlaid easily due to the large
height range of the TD Megapads and drainage and water flow is uninterrupted. This improves the ventilation of the system.
ASSEMBLY (115mm and higher)
TD Megapads are made up of multiple sections, which lock
together to form one, sturdy unit. At 115mm and higher, TD Megapads are increased in height
by adding a 100mm high EXTENSION TOWER.
These towers click into the baseplate and to each other (if
required) so multiple towers can be added to the TD Megapad,
increase the height up to a maximum of 1020mm.
A special key is required to unlock the towers once in place.
The key can also be used as a wrench to help adjust the height
in areas of restricted access.
47
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
800kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
150mm
Lug Height
16mm
Distance between lugs
60mm
CODE
DESCRIPTION
SP-TD-MEG-022
TD Megapad 22-30mm - see MINI TD MEGAPAD PAGE
SP-TD-MEG-028
TD Megapad 28-37mm - see MINI TD MEGAPAD PAGE
SP-TD-MEG-035
TD Megapad 35-50mm
SP-TD-MEG-050
TD Megapad 50-75mm
SP-TD-MEG-075
TD Megapad 75-120mm
SP-TD-MEG-115
TD Megapad 115-220mm
SP-TD-MEG-215
TD Megapad 215-320mm
SP-TD-MEG-315
TD Megapad 315-420mm
SP-TD-MEG-415
TD Megapad 415-520mm
SP-TD-MEG-515
TD Megapad 515-620mm
SP-TD-meg-615
TD MEGAPAD 615-720mm
SP-TD-meg-715
TD MEGAPAD 715-820mm
SP-TD-meg-815
TD MEGAPAD 815-920mm
SP-TD-meg-915
TD MEGAPAD 915-1020mm
➊
48
➊❶
➊
400kg weight tolerance, 150mm base - please see MINI MEGAPADS page 34 for full technical data
FLAT HEADED MEGAPADS
If contractors are using very large timber battens, or if timber tiles or plates are being installed; then Flat Headed Megapads can
be used. There is no lugged fixing on the head, just a 150mm diameter, completely flat headpiece.
This gives installers another design option and greater flexibility.
Because Megapads tolerate a greater amount of weight – 800kg each – a very high load-bearing layer can be constructed. There
is more height range available with Megapads, and they often provide a solution for certain complicated areas.
TD Megapads can be set to extremely accurate levels and locked, so the levels are maintained over the long-term. This means
decking can be constructed flush up to the door threshold. This creates the seamless “indoors to outdoors” flooring surface
which often features in decking areas.
49
Flat Headed Megapads are also useful for the junction point between timber joists or even other structures completely, such as drainpipes.
They can be used at much larger height, right up to 1020mm, and have been fully tested to tolerate 800kg and remain fully stable.
Such applications, such as the Jacuzzi installation pictured above, offer contractors considerable scope to construct a wide
variety of schemes.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
800kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
150mm
Distance between lugs
60mm
CODE
DESCRIPTION
SP-TD-MEG-STEM-022 ❶➊
Flat Headed Megapad 22-30mm - see MINI FLAT HEADED MEGAPAD PAGE
➊
Flat Headed Megapad 28-37mm - see MINI FLAT HEADED MEGAPAD PAGE
SP-TD-MEG-STEM-028
SP-TD-MEG-STEM-035
Flat Headed Megapad 35-50mm
SP-TD-MEG-STEM-050
Flat Headed Megapad 50-75mm
SP-TD-MEG-STEM-075
Flat Headed Megapad 75-120mm
SP-TD-MEG-STEM-115
Flat Headed Megapad 115-220mm
SP-TD-MEG-STEM-215
Flat Headed Megapad 215-320mm
SP-TD-MEG-STEM-315
Flat Headed Megapad 315-420mm
SP-TD-MEG-STEM-415
Flat Headed Megapad 415-520mm
SP-TD-MEG-STEM-515
Flat Headed Megapad 515-620mm
SP-TD-STEM-615
FLAT HEADED MEGAPAD 615-720mm
SP-TD-STEM-715
FLAT HEADED MEGAPAD 715-820mm
SP-TD-STEM-815
FLAT HEADED MEGAPAD 815-920mm
SP-TD-STEM-915
FLAT HEADED MEGAPAD 915-1020mm
➊
50
400kg weight tolerance, 150mm base - please see MINI MEGAPADS page 34 for full technical data
TD PLUS MEGAPAD
A new style of headpiece is available for the TD Megapad, where installers wish to fix the timber joist to the pad unit. This may
be desired if users wish to ensure there is no movement of the timber, or perhaps if a much larger joist is placed onto the pad.
The option is available and the TD PLUS Megapad is priced at the same level (at the equivalent height) and contains the same
technical strength properties of the TD Megapad.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
800kg
Max Temperature
Plus 75 ° C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
150mm
Lug Height
30mm
Fixing Points
2
CODE
description / size
CODE
DESCRIPTION / SIZE
SP-TDPLUS-MEG-022 ❶➊
TD Plus Megapad 22-30mm - see MINI MEGAPAD PAGE
SP-TDPLUS-MEG-028 ❶➊
TD Plus Megapad 28-37mm - see MINI MEGAPAD PAGE
SP-TDPLUS-MEG-035
TD Plus Megapad 35-50mm
SP-TDPLUS-MEG-050
TD Plus Megapad 50-75mm
SP-TDPLUS-MEG-075
TD Plus Megapad 75-120mm
SP-TDPLUS-MEG-115
TD Plus Megapad 115-220mm
SP-TDPLUS-MEG-215
TD Plus Megapad 215-320mm
SP-TDPLUS-MEG-315
TD Plus Megapad 315-420mm
SP-TDPLUS-MEG-415-
TD Plus Megapad 415-520mm
SP-TDPLUS-MEG-515
TD Plus Megapad 515-620mm
SP-TDPLUS-MEG-615
TD Plus Megapad 615-720mm
SP-TDPLUS-MEG-715
TD Plus Megapad 715-820mm
SP-TDPLUS-MEG-815
TD Plus Megapad 815-920mm
SP-TDPLUS-MEG-915
TD Plus Megapad 915-1020mm
➊
400kg weight tolerance, 150mm base - please see MINI TD MEGAPADS page 34 for full technical data
51
SHOCK ABSORBING SHIMS
Timber decked areas can often become noisy to walk across, especially if the deck is above residential dwellings. The Wallbarn
rubber acoustic shim can also be used with TD pedestals to help insulate sound and vibration.
The shim is designed to fit both ASP and TD pedestals, and will hook over the positioning lugs (which are spaced out 60mm and
40mm apart on the headpiece) and sits securely in place.
The timber joist will sit onto the rubber shim, giving extra grip and helping to deaden the sound and vibration.
TECHNICAL DATA
2.5mm shock absorbing shim
52
code
SP-RUB-0025
MATERIAL
PVC
THICKNESS / height off surface
2.5mm
WEIGHT TOLERANCE / bearing capacity
8,000kg
outer diameter
150mm
FLAT HEADED ADJUSTABLE SUPPORTS
Where installers are laying extremely large timber joists, or for areas where a junction of joists occurs, flat headed adjustable
pedestals can be used for decking. These units come in same heights as the TD Supports.
The diameter of the headpiece is 120mm, so a wider joist can sit onto it easily. Provided that the joists are cross fixed regularly,
the frame created will become strong, sturdy and secure.
They can prove a useful addition to decking systems and many designers prefer using these flat headed units to other varieties.
They are priced at the same rate as TD supports at the corresponding height.
Flat headed support pads have also been used successfully to hold up modular timber buildings, site buildings, sheds and
portakabins. Plate materials, such as large plywood bases, even metal grates and gangway structures can be placed onto these
adjustable height support pads to make them level.
It is often far better to crane large, heavy temporary buildings onto these supports, where the level has been pre-set to be flat,
than to have personnel underneath trying to adjust those levels whilst the structure is being suspended.
These units hold a weight of 400kg each, so a calculation of how many units are required to hold the structure must be made
beforehand.
53
Flat Headed Pedestals can be used with larger timber
joists or the aluminium battens available as part of iDecking
EasyClick system, available exclusively through Wallbarn.
TECHNICAL DATA
54
Material
Virgin fibre injection moulded polypropylene
Weight Tolerance
400kg
Max Temperature
Plus 75 °C
Min Temperature
Minus 40 °C
Base Plate Diameter
200mm
Headpiece Diameter
120mm
CODE
DESCRIPTION
SP-FLAT-025-FIXED
FLAT HEADED 25mm fixed pad
SP-FLAT-035-FIXED
FLAT HEADED 35mm fixed pad
SP-FLAT-035
35-50mm FLAT HEADED adjustable support pad
SP-FLAT-050
50-70mm FLAT HEADED adjustable support pad
SP-FLAT-065
65-100mm FLAT HEADED Adjustable support pad
SP-FLAT-095
95-130mm FLAT HEADED Adjustable support pad
SP-FLAT-125
125-160mm FLAT HEADED Adjustable support pad
SP-FLAT-155
155-190mm FLAT HEADED Adjustable support pad
SP-FLAT-185
185-220mm FLAT HEADED Adjustable support pad
SP-FLAT-210
210-245mm FLAT HEADED Adjustable support pad
SP-FLAT-240
240-275mm FLAT HEADED Adjustable support pad
SP-FLAT-270
270-305mm FLAT HEADED Adjustable support pad
SP-FLAT-300
300-335mm FLAT HEADED Adjustable support pad
SP-FLAT-330
330-365mm FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-085-Z
85-135mm EXTRA FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-125-Z
125-215mm EXTRA FLAT HEADED Adjustable support pad
SP-FLAT-EXTRA-210-Z
210-380mm EXTRA FLAT HEADED Adjustable support pad
SLOPE CORRECTORS for TD, TD PLUS, TD MOBILE & TD MEGAPAD pedestals
Slope correctors are wedge shaped plastic levellers which are clipped or fitted onto the base plate of adjustable pedestals. They
are suitable for use with TD and TD Megapad supports; including the new mini-Megapads and the TD EXTRA range.
Slope correctors are available in three sizes, with a 1%, 2% and 3% gradient.
They are designed to arrest the fall of the roof or deck beneath – even “TD MOBILE roofs” will be built to a fall for drainage. By
having these wedges attached underneath, the support pads remain completely vertical and straight, which ensures the force of
gravity to run directly vertical (see purple arrows below), preventing tilting and keeping the support pad more stable.
They are very easy to apply to the base plate. For the 200mm diameter base plates, two simple clips (green arrows) fix around
the lip of the baseplate. All 150mm base plates have a groove inside the perimeter which slots into a series of ridges (red arrows)
situated on the inner ring of the slope corrector.
More than one slope corrector can be applied if required as one can clip onto another very easily. Wallbarn recommends that
pedestals are used on roof decks with a maximum slope of 10%.
The gradient or slope is measured as a percentage. The deck is most commonly laid to a fall around 1 in 40, so a 2% slope
corrector is normally chosen.
TECHNICAL DATA
Material
Virgin fibre injection moulded polypropylene
Max Temperature
MOBILE 75 °C
Min Temperature
Minus 40 °C
Outer diameter
200mm
Inner diameter
82mm
CODE
DESCRIPTION
SP-ASP-SLOPE001
1 Percent Slope
Corrector
SP-ASP-SLOPE002
2 Percent Slope
Corrector
SP-ASP-SLOPE003
3 Percent Slope
Corrector
ASP, ASP EXTRA, LEGAPAD,
MINI-MEGAPAD
TD, TD PLUS, TD MOBILE,
TD EXTRA, TD MEGAPAD,
TD MINI MEGAPAD
55
For more information please contact:
Wallbarn Ltd
Unit 16, Capital Business Centre • 22 Carlton Road • South Croydon • CR2 0BS • UK
T: +44(0) 208 1962222 • F: +44(0) 208 1962223
E: [email protected] • W: www.wallbarn.com
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