Flat Roof Timber Frame Construction

The fall of the roof is achieved by using firring pieces with a fall of 1 in 40.

Flat roof timber frame construction.

As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. Sizes of joists needed for flat roof construction. It s been a couple of long days working solo to get it all up but it s rewarding stuff se. So any timber joists that are used need to be strong enough to support this weight.

The ceiling joists are used as the platform for the roof coverings. The definition of a flat roof according to bs 6229 is having a pitch less than 10 o to the horizontal however some in the industry would consider up to 15 o as their definition of a flat roof. In this type of construction the insulation is placed below the waterproof covering and on top of the roof deck and vapour barrier. For additional stability you can also use steel joists that are built into one or both of the walls.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. Old asbestos roofs are often replaced with flat roofs.

Timber flat roof carports timber flat roof construction timber flat roof construction details timber flat roof deck timber flat roof detail timber flat. When building a flat roof it is vital that a degree of falls is built into the construction to ensure rainwater run off. Others would treat even steeper pitches as flat roofs.