Timber Flat Roof Fascia Detail

For additional stability you can also use steel joists that are built into one or both of the walls.

Timber flat roof fascia detail.

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. Whatever new flat roof covering you choose epdm rubber kemper. The details shown concentrate on combined gravel stops and fascias.

Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. The construction of the flat roof is similar to that of the timber upper floor. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Fascias may have a wide variety of decorative patterns.

Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. I explain problems with insulating a roof using the warm and cold roof construction methods. A timber decking is then constructed and its weight supported by the joists. The roofs have a timber frame as the supporting structure.