Isokern Brochure 19.05.14.indd

Isokern Brochure 19.05.14.indd
PUMICE
SYSTEM CHIMNEYS & LINERS
...naturally better
UPDATED
RANGE
INCLUDING THE NEW
CE APPROVED
MAGNUM
FIRECHEST
DOC/CP3/64 SAP Issue 2 May 2014
Part of the BRAAS MONIER BUILDING GROUP
Pumice - naturally better
Pumice is a natural insulator. This is the unique property that separates pumice from all other
chimney materials.
The insulating properties of Pumice allow the flue gases in the chimney to quickly reach their optimum
temperature enabling the heating appliance to reach its optimum performance shortly after lighting.
It also keeps the chimney warmer longer as the heat output of the appliance decreases
- once again aiding performance and reducing the likelihood of condensation and soot build-up.
The natural properties of pumice
Resistant to temperature change
Pumice has very little expansion and contraction with
temperature change. This reduces the possibility of cracking
and structural damage that can occur with other products.
High Insulation Properties
Pumice is a natural insulator, able to maintain the temperature
of flue gases when other products have allowed the
temperature to fall below the dew point.
Lightweight
Pumice is strong yet lightweight allowing one person to lift and
build the chimney units.
Pumice is a natural
material sourced from the
Hekla Volcano in Iceland.
Pumice is an excellent insulator,
keeping flue gases warm while not
transmitting heat to the outside.
Product Description
Schiedel Isokern products can be used for new chimneys and for the refurbishment of existing
chimneys. The Isokern chimney systems provide a lightweight, easily installed and versatile chimney
which can be used internally or externally.The systems are suitable for use with burning appliances in
new and refurbished projects.They are ideal for Masonry,Timber Frame and Steel Frame construction.
Isokern chimneys have been installed in Europe for over 60 years.
2
DM (DOUBLE MODULE)
FLUE LINERS
Schiedel Isokern DM block system is a high
quality System Chimney. The double wall
system maintains flue gas temperatures
while preventing heat transference to the
outer casing. The separation of the inner
and outer components also allows for
thermal movement, reducing the risk of
cracking and subsequent leaking or staining.
It is simple and quick to build. The DM is
available in 3 outer casing sizes - DM36,
DM44 & DM54.
The Schiedel Isokern flue liner range
consists of over 15 different sizes. They
can be used for newbuild, extensions and
relining existing chimneys.
FIRECHESTS
ISOKOAT FLUE SEALING SYSTEM
The Schiedel Isokern range of firechests
are supplied as flat packs.They can be easily
and quickly constructed to produce a neat
and pre-formed fire opening ready for
finishing. The Magnum Firechest provides
the opportunity to create fire openings up
to 1.2m wide.
The Schiedel Isokoat system is an efficient
and cost effective method of re-sealing
a defective chimney shaft. The Isokoat
material is applied to the chimney under
pressure and forced into the cracks
sealing them, re-pointing the joints and
strengthening the walls. For further details
see the separate Isokoat leaflet.
DM Double Module Chimney System
When the ease of construction and maximum insulation matter then the Double Module System
comes into its own. The system is designed to be quick and easy to install.
The lightweight blocks are easy to handle. The outer and inner blocks are laid at the same time but
with staggered joints for safety and stability. The double layer of pumice blocks separated by an air
gap maximises the chimney insulation.
The Pumice Systems are suitable for wood - logs and chips, solid fuel, oil and gas.
There are 3 systems covering a range of different internal diameters
to meet the requirements of different appliances and uses:
DM 36
150mm internal diameter for smaller output inserts, stoves and solid fuel/oil cookers
DM 44
180mm and 200mm internal diameters for inserts, stoves and open fires
DM 54
300mm and 345mm internal diameters for Magnum firechests and larger appliances
- inserts and open fires
Unique features of the
Isokern DM Chimney System
Zero distance to combustibles on straight rendered
chimneys
Quick and easy to assemble
Lightweight materials, easy to handle
Highly insulating pumice for better draw and
minimum heat loss
Staggered joints for maximum safety and stability
Air gaps between outer casing and flue prevents
surface staining
Good resistance to temperature variations gives
the maximum performance for your appliance
Approvals
Isokern Pumice Double Module DM is CE Certified to EN1858 TÜV Cert no. 0036 CPD 90219 001
Isokern Pumice Chimney Liner is CE certified to EN1857 TÜV Cert no. 0036 CPD 90219 002 Isokern Magnum Firechest has been tested at the Fraunhofer Institut, Stuttgart, Cert no. P8-094/2006
CE Designation
Double Module DM System Chimney*
T450 N1 D 3 G(00)
Pumice Chimney Liner
T450 N2 D 3 G
* Zero distance to combustibles on straight chimney systems with ventilated terminal.
38mm distance to combustibles on offset systems. and non ventilated systems.
3
DM 36 for smaller output inserts, stoves and cookers
Available in Ø150mm internal diameter only.
Raincap
Top Ring
Capping for rendered
chimney stack
Casings rendered
above roof
Lead flashing
All joints sealed
with lip glue
DM casings can be
finished with plaster
Support block and
adaptor for connection
to flue pipe
Chimney pot
Capping for brick
chimney stack
Raincap
Top Ring
Capping for rendered
chimney stack
Casing rendered
above roof
Glass fronted
inset fire
Lead flashing
Corbel for
brick stack
Flue blocks installed
with socket uppermost
Staggered joints
between casing
and flue block
2 x casing
ties at maximum
intervals of
1.5 metres
INSET FIRE
Outer casings dry
lined or plastered
Flue pipe fitted into
access casing at 45˚
Support block
and adaptor
for connection
to stove pipe
FREE STANDING STOVE IN A RECESS.
System includes a Stainless Steel adaptor for ease of
connection between the stove and the DM Chimney.
Downloadable drawings available from our web site
www.schiedel.co.uk/isokern
4
FREE STANDING STOVE
WITH EXTERNAL CHIMNEY AND
PREFORMED STOVE ENTRY KIT
DM 36 for smaller output inserts, stoves and cookers
DM 36
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
S-803636 130714
360mm square casing 250mm high
15
S-803637 130712
360mm square access casing 250mm high
(150mm i/d access hole)
13
S-803641 130713
360mm square casing & soot door 250mm high 18
S-803645 130709
DM36 45º flue entry kit (four parts) 500mm high 42
S-801501 126363
150mm i/d 255 x 255 starter flue block 125mm high
4
S-801525 126369
150mm i/d 255x255 flue block 250mm high
8
S-801516 126368
150mm i/d 255x255 access flue block 500mm high
(177mm i/d access hole)
16
80113 130715
570mm square corbel for brickwork 75mm high 32
80320
80321
130710
130711
490mm square capping - render
690mm square capping - brickwork
13
31
80143 126377
150mm i/d 360 x 435 offset block (86mm, 30˚ offset) 150mm high (allow 38mm distance to combustibles on offset chimneys)
25
40124 130716
150mm i/d 360 square support block 100mm high 15
U00150 126373
150mm i/d (205mm o/d) stainless steel adaptor
I125150 126357
125mm i/d (205mm o/d) stainless steel decreaser adaptor
60125
131813
Top Ring (for ventilation)
60123
130732
Raincap (with fixing rods for top ring)
5
DM 44 for inserts, stoves and small open fires
Available in internal diameters Ø180mm and Ø200mm.
Both inner liners fit into the same external block size.
Raincap
Top Ring
Chimney pot
Capping for brick
chimney stack
Capping for brick
chimney stack
Sand/cement flaunching
Lead tray and flashing
Lip glue to seal joints
40115 corbel to
complete brick stack
Casings deleted
above corbel
Corbel for brick
chimney stack
Inner flue blocks with
socket uppermost
Staggered joints between
casing and flue block
Inner flue blocks with
socket uppermost
Staggered joints
between casing
and flue block
DM44 casings built
into inner leaf of
cavity wall
DM44 gather
Outer casings dry
lined or plastered
38mm clearance
from structural timber
Support block and
adaptor for connection
to flue pipe
Standard firechest
(finished fireplace
opening size
≤ 590 x 550mm)
Suitable foundation
OPEN FIRE USING
STANDARD FIRECHEST
Glass fronted inset fire
INSET FIRE
Downloadable drawings available from our web site
www.schiedel.co.uk/isokern
6
DM 44 for inserts, stoves and small open fires
DM 44
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
S-44433 130727
440mm square casing 300mm high
30
S-44437 130725
440mm square access casing 300mm high (220mm i/d access hole)
29
S-44441 130726
440mm square casing & soot door 300mm high
36
S-44446 S-44445 130719
130722
440mm 180mm i/d 45˚ flue pipe entry kit (4 parts) 600mm high 86
440mm 200mm i/d 45˚ flue pipe entry kit (4 parts) 600mm high 84
S-70226 S-70221 130720
127684
180mm i/d 310 x 310 starter flue block 150mm high
200mm i/d 310 x 310 starter flue block 150mm high
8
7
S-70218 S-70220 127068
127683
180mm i/d 310 x 310 flue block 300mm high
200mm i/d 310 x 310 flue block 300mm high
15
14
S-70231 S-70227
130717
127682
180mm i/d flue 310 x 310 access block 600mm high
200mm i/d flue 310 x 310 access block 600mm high
28
26
40110 40114 130728
130235
650mm square corbel for brickwork 75mm high
650 x 560mm offset corbel for brickwork 75mm high
40
34
40115 130818
740mm T corbel for external brickwork 75mm high
47
40320 40321 130723
130724
570mm square capping for render
820mm square capping for brickwork
18
44
40139 131810
40131 130718
40130 127686
40129 127687
180mm i/d 440 x 500 offset block (56mm, 30˚ offset) 100mm high
180mm i/d 440 x 500 offset block (86mm, 30˚ offset) 150mm high
200mm i/d 440 x 500 offset block (56mm, 30˚ offset) 100mm high
200mm i/d 440 x 500 offset block (86mm, 30˚ offset) 150mm high
(Allow 38mm distance to combustibles on offset chimneys)
22
22
20
30
40126 40128 130721
130730
180mm i/d 440mm square support block 100mm high
200mm i/d 440mm square support block 100mm high
22
20
U00200 127691
200mm i/d (255mm o/d) stainless steel adaptor
1150200 1175200 127671
127672
150mm i/d (255mm o/d) stainless steel decreaser adaptor
175mm i/d (255mm o/d) stainless steel decreaser adaptor
60120 130675
Top Ring (for ventilation)
60123 130732
Raincap (with fixing rods for top ring)
7
DM 54 for larger open fires and appliances
Available in internal diameters Ø300mm and Ø345mm.
Both inner liners fit into the same external block size.
Chimney pot
Capping for rendered
chimney stack
Casings rendered
above roof
Lead flashing
DM casings can be
finished with plaster
Joints sealed with
lip glue
Staggered joints
between casing
and flue block
Magnum firechest
complete with
damper
Fiirebrick lining
inside firechest
LARGE FIRE OPENING
CREATED WITH MAGNUM FIRECHEST
Downloadable drawings available from our web site
www.schiedel.co.uk/isokern
8
DM 54 for larger open fires and appliances
DM 54
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
S-45433 130708
545mm square casing 300mm high
40
S-70002 S-70003 129031
129093
300mm i/d 420 x 420 starter flue block 150mm high
345mm i/d 420 x 420 starter flue block 150mm high
11
11
S-70230 S-70235 129033
129094
300mm i/d 420 x 420 flue block 300mm high
345mm i/d 420 x 420 flue block 300mm high
22
22
40111 130735
800mm square corbel for brickwork 75mm high
57
40322 40323 130733
130734
670mm square capping for render
950mm square capping for brickwork
20
46
40133 129038
40136 129092
300mm i/d 545 x 635 offset block (86mm, 30˚ offset) 150mm high 44
345mm i/d 545 x 635 offset block (86mm, 30˚ offset) 150mm high 40
(allow 38mm distance to combustibles on offset chimneys)
40160 129043
300mm i/d 545mm square support block 100mm high
U00300 129039
300mm i/d (365mm o/d) stainless steel adaptor
60122 131812
Top Ring (for ventilation)
60123 130732
Raincap (with fixing rods for top ring)
30
DM Accessories
ACCESSORIES
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
SL 1200 SL 1500 124969
126356
1200 x 150 support lintel 75mm high
1500 x 150 support lintel 75mm high
Max Load 1900Kg
Max Load 1900Kg
29
36
CT0001 130689
Stainless steel casing wall tie
50303 130771
Lip glue (5kg)
5
40300 127082
1m reinforcement rod 12mm diameter
1
9
Typical DM Installation Detail
FOUNDATIONS
Construction begins by providing a suitable foundation
and constructional hearth in accordance with Building
Regulations and site requirements.
OPEN FIRE OPTION
Bed the base plate of the firechest onto a suitable
foundation/constructional hearth in accordance with
Building Regulations and at the level required on site using
Isokern lip glue.
Install the firechest using lip glue making sure all elements
are level. 100mm of brick/blockwork must be built around
the sides and back of the firechest to comply with Building
Regulations. The inside of the firechest must be finished
with a suitable fireback or firebrick slips.
Install the gather using lip glue making sure all the elements
are level. The front face of the gather can be finished with
plasterboard, rendered or clad in masonry. Lintels may
be required above the gather to help carry the brick or
blockwork.The maximum loading capacity of the ISOKERN
firechest and gather is 2500kg.
STOVE IN RECESS OPTION
Pre-stressed lintels or a suitable cast-in-situ concrete slab
must be provided above the stove recess, please make sure
they are strong enough to carry the load (see appropriate
Isokern DM drawing for aperture size). It is recommended
to have a minimum of 600mm of stove flue pipe before
connecting to the support block.
The support block is bedded onto the lintels using a weak
mix mortar. A stainless steel adaptor is used to create a
positive connection from the support block to the stove
flue pipe (fibre rope should be used to create a seal).
Lintels
Support block
Stainless steel
adaptor
STOVE IN RECESS OPTION
Gather elements
Magnum firechest
Firebrick slips
Suitable foundation
FREE STANDING STOVE OPTION
A soot door casing and access flue block must be used
below the flue pipe entry. The DM 45˚ access kit is then
used for the connecting flue pipe. A suitable wall sleeve
must be used to seal the cavity wall. Any combustible
insulation within the wall must then be kept away from
the single wall connecting flue pipe by at least 1.5 x its
diameter. Fibre rope is used to seal between the flue pipe
and wall sleeve, a suitable trim collar can be used to finish
the inner wall surface.
OPEN FIRE OPTION
Flue entry kit
Wall sleeve and
fibre rope seal
Prima flue pipe
Soot door casing
FREE STANDING STOVE OPTION
10
Typical DM Installation Detail
CHIMNEY CONSTRUCTION
Bed the first outer casing using lip glue making sure the
rebate (raised lip) is uppermost. The starter flue block is
then put inside the casing bedded with lip glue. The socket
on the starter flue block must be uppermost and the air
gap between the starter flue and the casing should be kept
clear. Lip glue joints should be approximately 2mm thick, a
special bag is provided for ease of application. Remove any
excess glue to maintain a smooth surface.
Where a straight chimney passes through a floor or roof,
zero mm distance to combustibles can be applied. A sliding
joint is made using mineral wool or similar non-combustible
material. On an offset chimney, 38mm clearance must be
maintained between the outer face of the chimney and
any structural timber or loose combustible material. Floor
boards, skirting boards, dado rails and other non-structural
components may, however, be in contact with the chimney.
Lip glue
Inner flue blocks
Void to be
kept clear
Lip glue
Non combustible
material
38mm clearance from
structural timber
HOW TO USE LIP GLUE
Offset blocks ‘if required’ must be used immediately
above the support block or firechest gather. They must
be glued together with lip glue and be fully supported.
Please note a chimney should be built straight wherever
possible. A starter flue block will be required above the
offset blocks to stagger the joints between the outer
casing and inner flue blocks.
External chimneys must be tied to the structure at
maximum intervals of 1.5m and at the point where it
departs from the roof using 2 x suitable stainless steel wall
ties. These are fitted into the outer casing joints. They are
not always required for internal chimneys. Please consult
the Isokern technical office.
Stainless steel ties
Starter flue block
Offset blocks must
be fully supported
and bedded with
lip glue
DM outer casings
Load bearing
support
Casings and flue blocks are added using lip glue for all
joints. Ensure the air gap between the inner flue and outer
casing remains clear.The outer surface of the casings to be
finished with plasterboard on dabs or plaster. The side that
faces the wall does not need an external finish.
High tensile steel reinforcement rods will be required for all
chimneys with a height that exceeds 1.4m above the roof
line, 1.1m if the wind speed exceeds 44ms. These rods are
available from Isokern and must be grouted (1:3 cement/
sand) into the holes provided in the outer casings.You must
start the rods at least the same height below the roof as
what’s above, please check with our technical department.
Reinforcement rods
Plasterboard
DM outer casing
11
Typical DM Installation Detail
RENDERED STACK OPTION
Code 4 lead flashing to be fitted at roof level as per Building
Regulations. We recommend that you scorch a 5-10mm
deep channel into the outer surface of the casings and fold
in the top edge of the flashing.
Finish the outer surface of the casings above the roof
with 2 part waterproof render. The recommended mix
is 1:2:5-6 cement:lime:sand for the undercoats. 1:2:8-9
cement:lime:sand for the final coat. The number of coats
required will depend upon the degree of exposure,
generally a two coat mix is acceptable. The mix may vary
due to climate conditions, the thickness of any one coat
should not exceed 15mm, and each subsequent coat
should be reduced by approximately 3mm.
Isokern concrete capping for render to be lip glued onto
the last casing.
10mm gap
for ventilation
under Top Ring
Capping for render
Waterproof render
Code 4
lead flashing
(not supplied)
RENDERED STACK
BRICK STACK OPTION
To take brick or stonework externally a corbel is fitted just
below the roof. Use trusses and trimmers to brace the
cladding as it passes through the roof.
Code 4 lead tray with 50mm upstands and stepped flashing
to be fitted in accordance with Building Regulations. A
50mm upstand should be fitted tight to the outside of the
flue block and where possible turned in by approx 10mm.
Lead trays should be coated with bituminous paint where
it is in contact with mortar. The D.P.C. tray should be fitted
at least 150mm above the lowest point of intersection
with the roof. Weep holes should be provided at the front
of the stack above the tray for water drainage.
Casings can be deleted above the corbel if stack height is
less than 1.4m above the roof.
12
Flue block or
chimney pot
Lead tray
and flashing
Weep holes
above tray
Corbel for brick stack
BRICKWORK STACK
TERMINATION
Raincap - Ventilated Option - (Installation with 0 distance
to combustibles for straight rendered chimneys only).
Take the last flue block up through the capping, do not fill
the gap between the flue block and capping. Push fit the
aluminium top ring onto the flue block and make sure there
is a 10mm air gap between the outer edge of the ring and
the capping. The flue block may need cutting to suit.
Chimney Pot Option - This option always requires a 38mm
distance to combustibles from the outside of the block. Fit
a chimney pot at least 75mm down into the capping and
flaunch with 1:3 cement and sharp sand to seal around. This
option is not possible if 0 distance to combustibles is required.
AFTER COMPLETION
After installation is complete tests and checks should be
carried out in accordance with document J of the Building
Regulations. A chimney notice plate must be completed
and permanently fixed in the dwelling, ideally near the
electrical consumer unit. The checklist and notice plate are
available from Schiedel Isokern.
USE AND MAINTENANCE
The chimney should be left for at least 72 hours before
use, then start only with small fires for the first week and
gently increase thereafter.
The chimney should be swept at least twice a year, once
before the heating season and once after the heating
season. You may need to sweep during the heating season
depending upon use. The brush should be a medium
density polypropylene bristle type and should be the same
diameter as the flue. Steel brushes must not be used to
sweep the Isokern pumice flues.
Always follow the appliance manufacturer’s operating
instructions. Always burn approved fuels or dry seasoned
wood. Avoid burning unseasoned wood and slow burning
of solid fuels as this can produce excessive soot and
condensation which in turn cause soot fires and damage. If
correctly installed, operated and maintained these systems
should last the life of the dwelling.
Liner System - for new and existing chimneys
The pumice liner system comes in a range of 15 diameters from 150mm to 1000mm with T Liners,
Liner Support Blocks, and Adaptors for ease of connection to the appliance.
The insulated flue liner
for traditional build
Suitable for use with inserts, stoves, open fires and
solid fuel/oil cookers.
Lightweight materials, easy to handle
Highly insulating pumice for better draw and
minimum heat loss
Sand/cement flaunching
around flue liner or
chimney pot
Lead tray and flashing
600mm and 1000mm lengths mean fewer
joints and fast to install
15 flue sizes available
Good resistance to temperature variations gives
the maximum performance for your appliance
Structural timber
40mm from outside
of chimney or 200mm
from inside of flue liner
Joints sealed with lip glue
Standard flue liners with
socket uppermost
Void filled with Leca
insulation mix
Support block and adaptor
for connection to flue pipe
Cast in situ slab to
support chimney
Support block and adaptor
for stove connection
Cast in situ slab to
support chimney
Glass fronted inset fire
INSET FIRE
FREE STANDING STOVE
Downloadable drawings available from our web site
www.schiedel.co.uk/isokern
13
LINERS AND ACCESSORIES
Liners and Accessories
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
14
Round Liners
10015 126372
10017 126498
10020 127685
10022 127715
10025 128546
10030 129036
10035 129360
S-10040 129567
S-10045 129738
S-10050 129927
S-10060 130142
150mm i/d 600mm high rebated liner (200mm o/d)
175mm i/d 600mm high rebated liner (235mm o/d)
200mm i/d 600mm high rebated liner (250mm o/d)
225mm i/d 600mm high rebated liner (285mm o/d)
250mm i/d 600mm high rebated liner (310mm o/d)
300mm i/d 600mm high rebated liner (360mm o/d)
350mm i/d 600mm high rebated liner (416mm o/d)
400mm i/d 1000mm high rebated liner (470mm o/d)
450mm i/d 1000mm high rebated liner (530mm o/d)
500mm i/d 1000mm high rebated liner (590mm o/d)
600mm i/d 1000mm high rebated liner (706mm o/d)
Collars
10216 10217 10220 10222 10225 10230 10235 150mm steel collar
175mm steel collar
200mm steel collar
225mm steel collar
250mm steel collar
300mm steel collar
350mm steel collar
126361
126494
127673
127705
128533
129021
129356
8
11
12
14
16
19
27
50
60
70
100
Liner Support Blocks (for connection to appliances)
C40120 126366
150mm i/d 310mm square 75mm high
C40122 126483
175mm i/d 350mm square 75mm high
C40121 127340
200mm i/d 350mm square 75mm high
40127
130731
225mm i/d 440mm square 100mm high
40150
128548
250mm i/d 440mm square 100mm high
40160
129043
300mm i/d 545mm square 100mm high
7
8
8
20
20
30
T Liners
T4510015 T4510017 T4510020 150mm i/d 45˚ rebated T liner 600mm high
175mm i/d 45˚ rebated T liner 600mm high
200mm i/d 45˚ rebated T liner 600mm high
15
20
22
Access Blocks
10415 126362
10420 127678
150mm i/d 215mm square 205mm high
rebated access block
200mm i/d (also for 175mm) 280mm square 280mm high
rebated access block
5
Leca
50301 130769
50 litre Leca (0.05m3)
Lip Glue
50303 130771
Lip glue (5kg)
126376
126500
127695
12
approx. 19
5
Liners and Accessories
Weight (kg)
All dimensions are external unless otherwise stated
Liner Bends
10810 126364
10811 126365
10812 126367
(Larger diameters available on request)
150mm i/d 15˚ rebated bend
150mm i/d 30˚ rebated bend
150mm i/d 45˚ rebated bend
4
5
6
10813 10814 10815 126495
126496
126497
175mm i/d 15˚ rebated bend
175mm i/d 30˚ rebated bend
175mm i/d 45˚ rebated bend
5
6
8
10816 10817 10818 127679
127680
127681
200mm i/d 15˚ rebated bend
200mm i/d 30˚ rebated bend
200mm i/d 45˚ rebated bend
5
6
8
10819 10820 10821
127706
127707
127708
225mm i/d 15˚ rebated bend
225mm i/d 30˚ rebated bend
225mm i/d 45˚ rebated bend
7
8
11
10822 10823 10824 128542
128531
128532
250mm i/d 15˚ rebated bend
250mm i/d 30˚ rebated bend
250mm i/d 45˚ rebated bend
8
9
9
S-10825
S-10826 S-10827
129015
129016
131819
300mm i/d 15˚ rebated bend
300mm i/d 30˚ rebated bend
300mm i/d 45˚ rebated bend
10
11
12
S-10828
S-10829 S-10830
129354
129355
131820
350mm i/d 15˚ rebated bend
350mm i/d 30˚ rebated bend
350mm i/d 45˚ rebated bend
13
14
17
Larger diameter bends available on request.
Stainless Steel Adaptors with Sealing Rope (for connection to liners)
U00150 126373
150mm i/d (205mm o/d)
U00175 126499
175mm i/d (235mm o/d)
U00200 127691
200mm i/d (255mm o/d)
U00225 127719
225mm i/d (290mm o/d)
U00250 128547
250mm i/d (315mm o/d)
U00300 129039
300mm i/d (365mm o/d)
Stainless Steel Increaser Adaptors with Sealing Rope (for connection to liners)
1125150 126357
125mm i/d (205mm o/d)
1150175 126493
150mm i/d (235mm o/d)
1150200 127671
150mm i/d (255mm o/d)
1175200 127672
175mm i/d (255mm o/d)
1200225 127704
200mm i/d (290mm o/d)
15
LINERS AND ACCESSORIES
Old Code SAP Code Description
LINERS AND ACCESSORIES
Liners and Accessories
Old Code SAP Code Description
Weight (kg)
All dimensions are external unless otherwise stated
Support Plates SP200
127694
SP250
128549
(for supporting liners and support blocks)
210mm i/d 340mm square 3mm thick
(fits 150mm support blocks)
255mm i/d 360mm square 3mm thick
(fits 175mm and 200mm support blocks)
Soot Doors
50101
COA
50109
131811
300 X 250mm double soot door and spigot
300 X 250mm double soot door
3
3
Insulated Plug
50031 130819
150mm i/d 200mm square insulation plug
3
Chimney Pots
Terracotta
CP150 126371
150mm i/d roll top terracotta 450mm high
CP200 127341
200mm i/d roll top terracotta 450mm high
CP220 127713
225mm i/d roll top terracotta 300mm high
CP225 127714
225mm i/d roll top terracotta 450mm high
CP250 128543
250mm i/d roll top terracotta 450mm high
CP300 129035
300mm i/d roll top terracotta 450mm high
CP350 129359
350mm i/d roll top terracotta 450mm high
Buff
ACPB150 126370
150mm i/d roll top buff 450mm high
ACPB200 130697
200mm i/d roll top buff 450mm high
ACPB220 127702
225mm i/d roll top buff 300mm high
ACPB225 127711
225mm i/d roll top buff 450mm high
ACPB250 128544
250mm i/d roll top buff 450mm high
ACPB300 129034
300mm i/d roll top buff 450mm high
ACPB350 129358
350mm i/d roll top buff 450mm high
Topguards
Terracotta
RGT1
130737
Topguard terracotta 150-250mm i/d
RGTL300
130738
Topguard terracotta 300mm i/d
RGTL350
130739
Topguard terracotta 350mm i/d
Buff
RGC1
130742
Topguard buff 150-250mm i/d
RGTL300
130740
Topguard buff 300mm i/d
RGTL350
130741
Topguard buff 350mm i/d
Notice Plate
C Plate
130696
Chimney notice plate
Smoke Pellets
Pellet
130817 Smoke pellets (6 per tube)
COA : Code on application
16
3
3
14
16
12
18
19
26
32
14
16
12
18
19
26
32
2
2
2
2
2
2
Typical Liner Installation Detail
Construction begins by providing a suitable foundation
and constructional hearth in accordance with Building
Regulations and site requirements.
45˚ T liner
STOVE IN RECESS OPTION
A suitable cast-in-situ concrete slab lintel must be provided
above the fireplace recess. (See Isokern standard drawings
for hole size depending on diameter of chosen flue).
45˚ Wall sleeve
Soot door
Alternatively you could use suitable pre stressed lintels, for
this method a support plate is required under the support
block. It is recommended to have a minimum of 600mm
length of flue pipe before connecting to the chimney.
The support block is bedded onto
the slab lintel using weak mix mortar.
A stainless steel adaptor is used to
connect from the support block to
the stove flue pipe. This adaptor is
pushed up onto the support block
spigot (fibre rope should be used to
create a seal).
Support block
Cast -in-situ slab
FREE STANDING STOVE OPTION
OPEN FIRE OPTION
Install the firechest onto the constructional hearth using lip
glue making sure all elements are level. 100mm of brick or
blockwork must be built around the sides and back of the
firechest to comply with Building Regulations. The inside of
the firechest must be finished with a suitable fireback or
firebrick slips.
Install the gather using lip glue making sure all elements
are level. The front face of the gather can be finished with
plasterboard, rendered or clad in masonry. Lintels may
be required above the gather to help carry the brick or
blockwork. The maximum loading capacity of the Isokern
firechest and gather is 2500kg.
STOVE IN RECESS OPTION
FREE STANDING STOVE OPTION
A soot door must be provided below the flue pipe
entry to allow for inspection and removal of soot and
debris. A suitable wall sleeve is to be used to seal the
cavity wall. Any combustible insulation within the wall
must be kept away from the single skin connecting flue
pipe by at least 1.5 x its diameter.
A stainless steel adaptor is glued
to the Isokern T Liner with lip glue.
The flue pipe is a push fit over the
spigot on the adaptor. Seal off the
gap between the flue pipe and wall
sleeve with fire proof rope and
closing plate.
Voids filled with
Leca mix
Suitable lintel
Magnum firechest
Firebrick lining
OPEN FIRE OPTION
17
Typical Liner Installation Detail
ALL OPTIONS
The flue liners are installed socket uppermost and sealed
with Isokern lip glue. Lip glue joints should be approximately
2mm thick. A special bag is provided for ease of application.
Remove any excess glue to maintain a smooth surface.
Clad the liners with a minimum of 100mm thick suitable
masonry. A minimum thickness of 15mm leca insulation
must be installed between the liners and masonry. Mix 20
parts leca to 1 part opc cement and a small amount of
water. Make sure it is well mixed before using.
ue
Gl
Lip
Fit appropriate lead dpc’s and flashings in accordance with
the relevant regulations. Isokern recommend that the lead
tray should be dressed up the outside of the flue liners to
avoid a weak joint. Weep holes should be provided above
the tray for moisture drainage.
Terminate the chimney to the correct height in accordance
with document J of the Building Regulations. The chimney
can be finished by flaunching (1:3 cement/sharp sand)
either around the Isokern flue liner or a suitable chimney
pot. Approved rain caps can be used to help prevent water
entering the flue.
Liner or
chimney pot
Liners with socket
uppermost
Direction of
flue gases
Joints sealed
with lip glue
Leca insulation
If bends are required in the chimney make sure adequate
support is provided and always backfill with leca insulation
mix. Liners can be cut between bends to achieve a required
offset distance. A steel collar as well as lip glue must be
used for any cut joints. A maximum of 2 complete offsets
(4 bends) are allowed per chimney and the angle must not
be greater than 45˚ from the vertical.
Flaunching
Weep holes
above tray
Lead tray
and flashing
AFTER COMPLETION
After installation is complete tests and checks should be
carried out in accordance with document J of the Building
Regulations. A chimney notice plate must be completed
and permanently fixed in the dwelling, ideally near the
electrical consumer unit. The checklist and notice plate are
available from Schiedel Isokern.
USE AND MAINTENANCE
The chimney should be left for at least 72 hours before
use, then start with only small fires for the first week and
gently increase thereafter.
Collar around
cut joint
You must provide adequate clearance from combustible
material in accordance with Building Regulations.
Combustible materials must be 200mm from the inner
surface of flue liner or 40mm from the outside of the
masonry chimney unless it is a floorboard, skirting board,
dado or picture rail, mantel-shelf or architrave.
18
The chimney should be swept at least twice a year, once
before the heating season and once after the heating
season. You may need to sweep during the heating season
depending upon use. The brush should be a medium
density polypropylene bristle type and should be the same
diameter as the flue. Steel brushes must not be used to
sweep Isokern pumice flues.
Always follow the appliance manufacturer’s operating
instructions. Always burn approved fuels or dry seasoned
wood. Avoid burning unseasoned wood and slow burning
of solid fuels as this can produce excessive soot and
condensation which can in turn cause soot fires and
damage. If correctly installed, operated and maintained
these systems should last the life of the dwelling.
Useful Charts and Information
FLUE AREA AND LIP GLUE QUANTITY CHART
Int. Diameter of Liners
& Flue Blocks (mm)
Ext. Diameter
of Liner (mm)
Int. Area
of Liner (cm2)
Approx number of
joints per bag of glue
150
200
177
16
175
235
240
14
200
250
314
12
225
285
397
11
250
310
491
10
300
360
707
9
350
416
962
7
400
470
1256
6
450
530
1590
5
500
590
1963
5
600
710
2826
4
DM36 Casing
6
DM44 Casing
5
DM54 Casing
4
DM36 Offset Blocks
5
DM44 Offset Blocks
4
DM54 Offset Blocks
3
LECA CALCULATION CHART
Int. Diameter
of Liner (mm)
Ext. Diameter
of Liner (mm)
Int. Size
of Chimney (mm)
Bags per
Linear metre
150
200
235 x 235
0.48
150
200
235 x 350
1.02
150
200
350 x 350
1.82
175
235
350 x 350
1.58
175
235
350 x 460
2.35
175
235
460 x 460
3.36
200
250
350 x 350
1.47
200
250
350 x 460
2.24
200
250
460 x 460
3.25
225
285
350 x 350
1.17
225
285
350 x 460
1.94
225
285
460 x 460
2.96
250
310
350 x 350
0.94
250
310
350 x 460
1.71
250
310
460 x 460
2.72
300
360
460 x 460
2.20
300
360
460 x 575
3.25
300
360
575 x 575
4.58
350
416
460 x 460
1.51
350
416
460 x 575
2.57
350
416
575 x 575
3.89
400
470
575 x 575
3.14
19
Useful Charts and Information
OFFSET DIMENSION CHART
Int. Diameter
of Liner (mm)
Angle
of Bend
Overall
Combined Height
Offset
Distance (mm)
150
15˚
427
56
150
30˚
456
122
150
45˚
467
194
175
15˚
435
57
175
30˚
471
126
175
45˚
489
202
200
15˚
440
58
200
30˚
481
129
200
45˚
503
208
225
15˚
449
59
225
30˚
499
134
225
45˚
528
219
250
15˚
456
60
250
30˚
511
137
250
45˚
545
222
300
15˚
469
63
300
30˚
536
144
300
45˚
581
240
350
15˚
483
63
350
30˚
564
151
350
45˚
620
257
Offset
distance
Angle 30˚
Height
100mm
PAIR OF BENDS
CHIMNEY HEIGHTS ABOVE ROOF
A
Point where flue passes through
weather surface (Notes 1,2)
Clearances to flue outlets
at or within 600mm of the ridge
at least 600mm above the ridge
elsewhere on a roof (whether pitched or flat)
at least 2300mm horizontally from the
nearest point on the weather surface and:
B
A) at least 1000mm above the highest
point of intersection of the chimney and
the weather surface: or
B) at least as high as the ridge
C
below (on a pitched roof) or within 2300mm
horizontally to an openable rooflight, dormer
window or other opening (Note 3)
at least 1000mm above the top of the
opening
D
within 2300mm of an adjoining or adjacent
building, whether or not beyond the boundary
( Note 3)
at least 600mm above the adjacent
building
D
A
B
C
NOTES
1.The weather surface is the building external surface, such as its roof, tiles or external walls.
2.A flat roof has a pitch less than 10˚.
3.The clearances given for A or B as appropriate will also apply.
For clearances to easily ignitable roof coverings
such as thatch refer to diagram 2.2 of Approved
Document J 2010 Edition
20
Useful Charts and Information
VENTILATION REQUIREMENTS
It is very important that sufficient air for combustion
and ventilation is provided to the room containing the
appliance, to enable correct and efficient working of the
appliance and chimney system. Reference should be
made to the appliance manufacturer’s instructions and
recommendations are also given in the Building Regulations
Document J, see below:
CARBON MONOXIDE ALARMS
Where a new or replacement fixed solid fuel appliance
is installed in a dwelling, a carbon monoxide alarm should
be provided in the room where the appliance is located.
The carbon monoxide alarms should comply with BS EN
50291:2001.
The carbon monoxide alarm must be located in the same
room as the appliance:
a) On the ceiling at least 300mm from any wall or if it is
located on a wall, as high up as possible (above any doors
and windows), but not within 150mm of the ceiling and
b) between 1m and 3m horizontally from the appliance.
N.B Provision of a carbon monoxide alarm should not
be regarded as a substitute for correct installation and
regular servicing.
VENTILATION REQUIREMENTS FOR SOLID FUEL
Type of Appliance
Type and amount of Ventilation (1)
Open appliance, such as an open fire with no throat, e.g. a
fire under a canopy as in Diagram 23.
Permanently open air vent(s) with a total equivalent area of
at least 50% of the cross sectional area of the flue.
Open appliance, such as an open fire with a throat, as in
Diagrams 22 and 29.
Permanently open air vent(s) with a total equivalent area of
at least 50% of the throat opening area. (2)
Other appliance, such as a stove, cooker or boiler, with a flue
draught stabiliser.
Permanently open air vents as below:
If design air permeability > 5.0m3/(h.m2) then
300mm2/kW for first 5kW of appliance rated output
850mm2/kW for balance of appliance rated output
If design air permeability ≤ 5.0m3/(h.m2) then
850mm2/kW of appliance rated output (4)
Other appliance, such as a stove, cooker or boiler, with no
flue draught stabiliser.
Permanently open vents as below:
If design air permeability > 5.0m3/(h.m2) then
550mm2/kW of appliance rated output above 5kW
If design air permeability ≤ 5.0m3/(h.m2) then
550mm2/kW of appliance rated output (4)
Notes:
1. Equivalent area is as measured according to the method in BS EN 13141-1:2004 or estimated according to paragraph 1.14.
Divide the area given in mm2 by 100 to find the corresponding area in cm2.
2. For simple open fires as depicted in Diagram 29, the requirement can be met with room ventilation areas as follows:
Nominal fire size (fireplace opening size)
Total equivalent area of permanently open air vents
500mm
450mm
400mm
350mm
20,500mm2
18,500mm2
16,500mm2
14,500mm2
3. Example: an appliance with a flue draught stabiliser and a rated output of 7kW would require an equivalent area of (5 x 300)
+ (2 x 850) = 3200mm2
4. It is unlikely that a dwelling constructed prior to 2008 will have an air permeability of less than 5.0m3/h.m2) at 50Pa unless
extensive measures have been taken to improve air-tightness. See Appendix F.
MAGNUM COMBUSTION AIR REQUIREMENT
MAGNUM FIREBRICK & MORTAR QUANTITY
Size of Magnum
Firechest
Free Air
in cm2
Free Air
in mm2
Size of Magnum
Firechest
25mm thick
Bricks
50mm thick
Bricks
Firebrick
Mortar
500
200
20,000
500
Included
Included
Included
950
248
24,800
950
40
34
2
1100
338
33,800
1100
40
44
2
1200
385
38,500
1200
40
48
2
Please note the base bricks should be laid loose.
21
Firechests
The ideal solution for creating open fires. The finished appearance is down to
individual taste using one of the many fireplace surrounds on the market.
The Schiedel Isokern firechest complements the Isokern chimney systems which are designed to
create a complete system, avoiding many of the variable factors that lead to draught problems and
smoky fireplaces.
The Isokern firechest range is cast using lightweight, highly insulating pumice.The components interlock
like pieces of a three dimensional jigsaw to form a sturdy, robust fireplace recess and gather.The joints
are sealed using lip glue jointing compound. Starting from a suitable foundation and constructional
hearth, assembly of the complete firechest and gather could take less than one hour.
The range includes firechests with fire openings from 500 to 1250mm and a recess designed
specifically for stoves. Each firechest is packed on a pallet with detailed assembly instructions. The
firechest is load bearing and will carry up to 2600kg of chimney above, although you may exceed this
weight with the use of additional lintels.
The NEW Magnum Firechest Range
The new Magnum Firechest range has been designed to maximise
the burning efficiency of wood in an open fire.The specially shaped
fire chamber facilitates the efficient burning of wood logs to give
efficiencies from 41% to 45%, depending on the model chosen.
The firechests are tested to EN13229.
DAMPER
A flue damper is available in the Magnum range of firechests.
In wood burning installations the flue damper can be used to
control the draft in the flue and avoid excessive heat loss when
the fireplace is not being used. This is reflected in the SAP
calculation for Document L.The inclusion of the damper will halve
the chimney ventilation rate in the SAP calculation. It must not be
installed with gas fires.
Staggered joints
between casing
and flue block
Magnum firechest
complete with
damper
Fiirebrick lining
inside firechest
MAGNUM FIRECHEST
WITH DM SYSTEM CHIMNEY
Voids filled with
Leca mix
Suitable lintel
Magnum firechest
Firebrick lining
MAGNUM FIRECHEST
WITH PUMICE LINERS
Downloadable drawings available from our web site
www.schiedel.co.uk/isokern
22
Firechests
Magnum 500 Inside Flue diameter 200mm
Magnum 950 - 1200 Inside Flue diameter 350mm
Manor Gathers
Old
SAP
Model
InsideInternal
Ext.Ext. Ext.Weight
Code Code
Flue Dia. (mm)Width (mm)Width (mm)Height (mm)Depth (mm) (kg)
85036 131816 950
300
940
1090
910
640
275
85042 131817 1100 350
1080
1230
1111
640
350
85048 131818 1200 350
1200
1350
910
640
385
Standard Firechest
Old
SAP Opening
Opening
Ext.Ext. Ext.Weight
CodeCode
Width (mm)Height (mm)Width (mm)Height (mm)Depth (mm) (kg)
85022 130820
690
660
850
660
450
100
Pumice Gathers
Old
SAP
Model
Internal
Inside
Ext.Ext. Ext.Weight
CodeCode
width (mm) Flue Dia. (mm)Width (mm)Height (mm)Depth (mm) (kg)
85020 130822 Liner 690
225
850
600
450
100
85021 130729 DM44 690
200
850
600
450
100
Concrete Gathers
Old
SAP
Code Code
C15 130698
C16 130699
C17 131200
C18 131201
InsideInternal
Ext.Ext. Ext.Weight
Flue Dia. (mm)Width (mm)Width (mm)Height (mm)Depth (mm) (kg)
200
600
800
225
450
110
225
600
800
225
450
110
250
800
1000
300
550
130
300
800
1000
300
550
130
Firebricks and Firebacks
Old
SAP
DescriptionWeight
Code
Code(kg)
00179 112562
Firebrick 230 x 114 x 25mm buff
1.6
00180 115281
Firebrick 230 x 114 x 50mm buff
2.8
50383 130753
Firebrick mortar
20
FB450 129735
450mm milner scored clay fireback
42.5
23
FIRECHESTS
Magnum Firechests
Old
SAP
Model
Opening
Opening
Ext.Ext. Ext.Weight
CodeCode
Width (mm)Height (mm)Width (mm)Height (mm)Depth (mm) (kg)
80120 130773 500
510
540
685
1540
440
390
82036 129371 950
990
960
1090
1761
710
715
82042 129568 1100 1130
960
1230
1761
710
790
82048 129767 1200 1246
960
1346
1761
710
845
Complementary products and services
from Schiedel Chimney Systems
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The NEW highly Insulated Twin Wall System
Chimney for stoves.
• Easy twist lock connection
• Effective insulation
• 125-200mm Internal diameter range
Single Wall Stainless Steel Connecting Flue Pipe
for use on wood and multi-fuel applications.
• 316L Grade stainless steel
• Available in matt black or steel finish
• Excellent aesthetics
• Lightweight
• 125-200mm internal diameters
For relining existing chimneys to take gas, oil,
wood, multi-fuel appliances and open fires.
• Twin skin TecnoFlex Plus available in 316L
or 904L options for oil, wood, multi-fuel &
open fires
ICS
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ABSOLUT XPERT
Twin Wall Insulated System Chimney for gas,
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• Simple push-fit jointing system
• High efficiency Superwool insulation blanket
• Capillary break prevents moisture being drawn
through the joint
• 80-300mm Diameter range
Single Wall Stainless Steel Flue System.
• Prima Plus available 0.6mm for domestic
multi-fuel stoves
• Prima Plus for large residential & commercial
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• 80-300mm Diameter range
Absolut XPert is part of the new innovative
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• 80-300mm Diameter range
full details at www.schiedel.co.uk
Schiedel Chimney Systems
Unit 8 & 9, Block A
Holton Road
Holton Heath Industrial Estate
Poole, Dorset BH16 6LG
Tel. +44 (0)1202 861650
Fax. +44 (0)1202 861632
info@schiedel.co.uk
www.schiedel.co.uk
HETAS TRAINING
www.youtube.com/user/SchiedelUK
www.linkedin.com/company/schiedel-uk
Courses H001-H006 available. See website
for course prospectus and application form
downloads or scan the QR code a direct link.
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