Warm Flat Roof Fascia Detail
Warm roof upstand to abutment wall with termination bar and cover flashing.
Warm flat roof fascia detail. Front fascia flat roof detail. The insulation is placed below the waterproof covering and is either mechanically fixed or bitumen bonded on to the top of the deck. In this video our principal surveyor steven dickinson explains problems with insulating a roof using the warm and cold roof construction methods. Depending on the building use insulation could be required to construct a warm roof build up.
Warm flat roof cross section warm flat roof design warm flat roof detail warm flat roof diagram warm flat roof dimensions warm flat roof eaves warm flat roof eaves detail warm flat roof. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. A minimum thickness of 18mm must always be used. 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 basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Gravel stops and fascias are used where flat roofs end to provide a weathertight transition between roof and wall. For additional stability you can also use steel joists that are built into one or both of the walls. Front fascia flat roof detail.
So what is warm flat roof construction. A flat base is required to lay the roof covering on. Inverted warm deck roof the insulation boards in an inverted warm deck are laid over the structural deck and the waterproof covering. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure.
I explain problems with insulating a roof using the warm and cold roof construction methods. Fascias may have a wide variety of decorative patterns. Warm roof upstand to abutment wall with cover flashing. Warm flat roofs are very forgiving however if not installed correctly cold spots are easily built into the roof and problems.
This can be either smartply osb3 or good quality structurally sound wbp plywood. The details shown concentrate on combined gravel stops and fascias.