Warm Roof Layers

I ve had conflicting information from a couple of different roofers on the layers needed for a warm deck roof to be used as a roof terrace.

Warm roof layers.

Decking most often made out of plywood this roof layer is installed over the framing in a typical roof install. You can usually see the underside of plywood decking from the attic. In warm roof construction the thermal insulation layer is installed above the structural deck. In a warm roof construction the principal insulation layer is placed above the structural decking resulting in the structural deck and support structure being at a temperature similar to that of the building interior.

Warm roofs have an insulation layer above the roof deck this usually keeps the deck warm. A warm roof is a type of roof construction which has an insulation layer above the rafters and immediately below its weatherproof membrane. It provides structure by tying the trusses and joists together. Achieving the layers of protection that a warm roof offers is something that should be given careful consideration when it is time to construct a new or replace an old roof.

1 oct 2007 messages. Ignoring the pavers. This keeps the structural decking usually constructed from timber steel or concrete at the same temperature levels as the internal temperature of the building. Ridge vents are at the top of your roof covered by roofing material but with a gap designed to allow warm moist air to escape from the attic.

Here are the layers of a roof in order of application bottom to top. Discussion in roofing and guttering started by i am fubar 23 aug 2013. Londonflatroofing roofsurveyor question answered from a comment posted from a youtube viewer. Flashing is made from sheet metal and used to prevent water from penetrating seams where different materials meet on the roof and other parts of your home s exterior.

If you are looking at houston roofing contractors to help create layers of protection through a warm roof contact schulte roofing of navasota. Can i use two layers of rigid insulation in a w. The architect plans stated requirement for a vapour control layer below the insulation or a 3 in 1 insulation board including vapour control layer and an additional foil backed plasterboard. The roof is an unventilated warm roof design finished with a single ply membrane.