Timber Joist Technical Data Sheet

Timber Joist  Technical Data Sheet
Timber Joist
Technical Data Sheet
Floor Finish
(by others)
Timber Floor
(by others)
Heating & Cooling Pipe
Timber Joist Panels
L’ Brackets
Timber Joists
(by others)
System Features
Machined heating panels of high performance extruded
polystyrene are installed to suit building regulations in place
of standard insulation.
With no components installed at the interface between the
joists and floor deck, timber floors can be glued and screwed
to suit Building Regulations - Part E.
Performance does not degrade over time as pugs crumble
away, or reflective insulations become dusty and absorbent.
No pugs which absorb significant amounts of moisture over
the humid summer months, and then rapidly release it into
the timber floor once the heating is turned back on.
Can be installed from below with the use of Wavin pipe
fittings.
SALES AND TECHNICAL ENQUIRES
01392 444122
Pipe is easy to install as the rigid insulation backing prevents
the diffuser from easily deforming/being damaged.
L’ Brackets are available, providing faster installation time
compared to using other panel supports.
Panels are suited to Part E constructions/Robust Standard
Details using acoustic battens or cradles, reducing noise
transmittance by adding to the sprung mass of the floor.
The rigid heating panels ensure positive contact with the floor
deck, optimising performance and eliminating heated air
spaces which can damage timber floors.
Ticking during warm up and cool down is prevented by the
PET film separating the diffusers from the timber floor.
FAX
01392 444135
EMAIL
[email protected]
Timber Joist
Technical Data Sheet
What you need to know
The design of the Timber Joist system
ensures it is easy to install and most
importantly, install correctly.
With environmental concerns a major
focus of governments worldwide and the
legislation they produce, selecting the
most energy efficient heating system is
an important stage of any project.
The Timber Joist system is exceptionally
versatile and can be fixed to the
underside of the floor deck if it is not
possible to install the system before
laying the floor deck.
The use of L’ Brackets, makes
installation faster and easier. In addition
the L’ Brackets function as spring
clamps, holding the heating panels proud
of the joists until the floor deck is laid.
This creates firm contact with the floor
deck, maximising the system efficiency
and performance.
The Timber Joist system is engineered to
provide an energy efficient solution to
heating rooms with suspended timber
floors, earning a better rating within SAP
Assessments than traditional systems
with a high thermal mass.
In addition it is simple to include within
Part E compliant constructions, including
many Robust Standard Details and
proprietary sports/sprung flooring
systems while maintaining both heating
and acoustic performance levels.
Typical Floor Cross Section
If the heat source is maintained correctly
the heating power and efficiency of a
Timber Joist system won’t degrade over
time, it will always perform according to
its specification, providing peace of mind
to the specifier, installer and end user
alike.
Timber Joists
(By Others)
Timber Floor
(By Others)
Floor Finish
Heating And Cooling Pipe
(By Others)
Timber Joist Panels
L’ Brackets
Technical Specification
Pre-channelled extruded polystyrene insulation panels 50 or
75mm thick with aluminium heat diffusers and a PET slip
layer bonded to the upper surface.
Panels to be suspended such that they are between and
flush with 50mm wide timber joists, spaced at 400 or 600mm
centres using Wavin UFH L’ Brackets.
Continuous lengths of 16mm polybutylene underfloor heating
and cooling pipe with EVOH layer, are pushed into the
panels following the route predetermined by the channels.
Pipe is to be tested for continuity in accordance with EN
1264-4 before the timber floor deck is laid.
Timber floor is installed in accordance with the
manufacturer’s instructions. An expansion gap of at least
10mm or 2mm per metre run of floor is to be left at the room
perimeter.
Seal the space between the floor and skirting board using a
suitable flexible sealant to minimise air leakage
Floor finish as specified by designer.
Flow and return pipe between the floor area to be heated and
the distribution manifold is insulated by dedicated channels
within the panels.
Technical Information
Base Material:
Thermal Conductivity:
Ozone Depleting Potential:
Min Compressive Strength:
Long Term Static Load:
Extruded Polystyrene
0.029W/mK
0
200kN/m²
40kN/m²
Density:
Water Absorption:
Panel Dimensions:
Panel Thickness:
Pipe Spacing:
Underfloor Heating
Timber Joist
27kg/m³
0.3% abv
2400mm x 340mm/540mm
50 or 75mm
200
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