Warm Flat Roof Fascia Detail

The insulation is placed below the waterproof covering and is either mechanically fixed or bitumen bonded on to the top of the deck.

Warm flat roof fascia detail.

Warm roof upstand to abutment wall with cover flashing. This can be either smartply osb3 or good quality structurally sound wbp plywood. Other roof protrustions sothat notiiing obstructs tiieflow ofair from eave to ridge. Front fascia flat roof detail.

Depending on the building use insulation could be required to construct a warm roof build up. They are available as pdf dwg and dxf free of charge. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. If the specification of the insulation is not correct you could have problems.

A minimum thickness of 18mm must always be used. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure. Warm roof upstand to abutment wall with termination bar and cover flashing. Alwitra flat roof details.

For additional stability you can also use steel joists that are built into one or both of the walls. Steve from london flat roofingexplains how warm flat roof construction works in this excellent short video. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Cold roof insulation between rafters wnapor barrier on warm side below orw sheatiiing roofing roofing 2 x 8 sleepers notched for vent aligned wi rafters flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.

Due to the insulation being over the top of the roof the timber structure beneath is warm which is why the term warm roof is formed. The sandwich warm deck roof is the most common type of flat roof. Download details and drawings of the roof edge of flat roofs. To discuss your project in more detail please contact your local area manager.

Whatever new flat roof covering you choose epdm rubber kemper liquid rubber triflex mariseal etc.