At least 100mm of rigid board insulation must be positioned on top of the vapour control layer the vapour control layer stops any moisture within the building contaminating the insulation.
Installing a warm flat roof.
Frame the roof one important and perhaps not so obvious fact is that a flat roof is not actually flat.
Add the plywood once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing.
Roofing timber steel joists plywood exterior covering such as epdm or modified bitumen water based adhesive foam with fibreglass backing insulation warm flat roofing.
How to install a warm deck roof duration.
Types of flat roof construction warm and cold flat roofs.
Flat roof construction can come in the form of a warm roof or cold roof depending on the requirement of the owner and architect as they relate to the building regulations regarding heat loss and insulation.
One of the main benefits you will receive from installing a warm flat roof is condensation will not become an issue because of the positioning of the insulation.
The key to the two different methods is the way in which the insulation is installed.
Cure it grp roofing system 75 410 views.
Warm roof construction is the easiest method and is often cheaper.
Warm flat roof vapour barrier insulation explained duration.