Warm Roof Layers

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.

Warm roof layers.

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. Ignoring the pavers. Warm roofs have an insulation layer above the roof deck this usually keeps the deck warm. Can i use two layers of rigid insulation in a w.

You can usually see the underside of plywood decking from the attic. The roof is an unventilated warm roof design finished with a single ply membrane. 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. 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.

A warm roof is a type of roof construction which has an insulation layer above the rafters and immediately below its weatherproof membrane. 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. It has transpired that there is no vapour control layer fitted. 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.

1 oct 2007 messages. It provides structure by tying the trusses and joists together. Discussion in roofing and guttering started by i am fubar 23 aug 2013. This keeps the structural decking usually constructed from timber steel or concrete at the same temperature levels as the internal temperature of the building.

In warm roof construction the thermal insulation layer is installed above the structural deck. A warm roof construction has many benefits over a traditional cold roof essentially it is a breathable roof construction which allows moisture to escape which in turn prevents damp and any. Decking most often made out of plywood this roof layer is installed over the framing in a typical roof install. It is the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction.