Flat Roof Construction Details Uk

The building regulations in the uk provide guidance on roof design.

Flat roof construction details uk. Part 3 pitched roof detail. Cncd 053 v1 5 7 2019 continuous 5mm gap at ridge depending on the type of roof you are considering here s some technical details you may find useful. While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the. There is also the scope to incorporate a green roof onto the flat structure.

A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. A flat roof must be strong durable and stable throughout its lifetime. Insulation for the warm flat roof only the basic construction process. Covers pitched roof detail.

Flat roof u value 0 18 w m2k 2. So any timber joists that are used need to be strong enough to support this weight. A flat roof is a multi layer construction typically comprising of the following elements. Part 2 pitched roof construction.

What pitch is a flat roof. Waterproof membrane with a protective covering this should prevent water reaching the roof structure and the room below. You can find the building regulations here. 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. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. Flat roof options help to free up internal space and are often cheaper that pitched roof options as they require fewer materials to cover the same roof span. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.

Part 4 flat roof construction. To build a flat roof you ll want to have a thorough understanding of how the process of constructing the flat roof works and the different methods available. Old asbestos roofs are often replaced with flat roofs. As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction.

That will help you remember certain factors and details to build the best possible flat roof. Components of a flat roof. Flat roof types. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

It must provide adequate protection against the elements keeping the buildings structure and interior dry. Guidance advice on warm cold roofs www cncbuildingcontrol gov uk.