Warm roof or warm deck construction positions the insulation boards above the timber rafters directly below the roof s weatherproof membrane.
Pearl deck flat roof insulation.
Exceptional dimensional stability and rated for extreme hail rockwool stone wool insulation roof boards have meet both the fm severe hail and the ul 2218a standard for impact resistance.
The main advantage of a warm deck construction versus a cold deck construction is that there is no need to include a ventilated cavity in the warm deck construction.
Up to 25 of a buildings heat loss is through the roof.
Insulating a timber deck flat roof can be done using warm deck construction method or cold roof construction method.
It also provides better thermal performance and makes it easier to eliminate thermal bridging.
Celotex td4000 comprises a polyisocyanurate rigid foam insulation core with a thermal conductivity of 0 022 w mk and low emissivity aluminium foil facings on both sides bonded to a layer of 5 5mm wbp exterior grade plywood.
The low density stuff works in the.
So why would you ever construct a deck this way.
This warm deck construction method is generally accepted as the best method of insulating this type of flat roof and is the standard method of installing roof insulation in most new builds.
Air impermeable insulation spray polyurethane foam is air impermeable.
Therefore the space between the ceiling and the roof deck is about 7 inches much like a cathedral ceiling except that it s basically flat.
It is ready to fix and finish using basic tools and traditional roofing techniques.
Celotex crown bond is a high performance flat roofing insulation board featuring innovative composite facers on both sides a low lambda value of 0 022 w mk and a compressive strength of up to 150 kpa providing increased dimensional stability and added robustness.
I have a very sligthly sloped flat roof deck held up by 2x8 s to which the ceiling for the upstairs room is attached.
Enjoy interior design freedom with above deck roof assemblies that allow for open interior ceilings and spaces.
In each 16 wide channel there is a pitiful layer of r13 fiberglass batt attached to vapor barrier paper laid against the ceiling.
Insulated decking for flat roofs comprising a fibre free polyisocyanurate pir insulation core faced with tough exterior grade plywood used as pre insulated foil backed thermal insulating decking for flat roofs.
By using insulation with excellent thermal performance this will greatly improve the energy efficiency of the building and in turn make meeting building regulations standards easy.
You would never construct an unvented roof this way.
Ideal for both new build and existing roofs replacing or refurb.
126mm celotex td4000 pir flat roof insulation board with plywood.
Ecotherm in flat roofs.
