Warm Flat Roof Fascia Detail

Having a manual for warm flat roof construction with details and a summary of rules to follow helps.

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. Inverted warm deck roof the insulation boards in an inverted warm deck are laid over the structural deck and the waterproof covering. Warm roof upstand to abutment wall with termination bar and cover flashing. The sandwich warm deck roof is the most common type of flat roof.

Warm flat roofs are very forgiving however if not installed correctly cold spots are easily built into the roof and problems. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Depending on the building use insulation could be required to construct a warm roof build up. In this video our principal surveyor steven dickinson explains problems with insulating a roof using the warm and cold roof construction methods.

This can be either smartply osb3 or good quality structurally sound wbp plywood. A flat base is required to lay the roof covering on. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure. Fascias may have a wide variety of decorative patterns.

Whatever new flat roof covering you choose epdm rubber kemper. To discuss your project in more detail please contact your local area manager. I explain problems with insulating a roof using the warm and cold roof construction methods. Front fascia flat roof detail.

For additional stability you can also use steel joists that are built into one or both of the walls. Gravel stops and fascias are used where flat roofs end to provide a weathertight transition between roof and wall. Front fascia flat roof detail. Warm roof upstand to abutment wall with cover flashing.

A minimum thickness of 18mm must always be used. So what is warm flat roof construction.