Flat Roof Detail Uk

A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.

Flat roof detail uk.

When choosing a flat roof you need to take a number of considerations into account including the look you want to achieve the size of your flat roof the type of weather it ll face and the amount of labour it will require. A guide to flat roof options. A flat roof must be strong durable and stable throughout its lifetime. This will ensure that british standards and codes of practice are properly maintained including minimum 150mm upstands and mechanical restraints at waterproofing termination points.

The ceiling if any is usually fixed directly to the underside of the joists. Components of a flat roof. Warm and cold roofs householder s guide to flat roofing in a flat roof the waterproofing is always supported by a structural roof deck. Waterproof membrane with a protective covering this should prevent water reaching the roof structure and the room below.

Reputable flat roofing manufacturers should have appropriate detail drawings for most penetration requirements. Flat roofs were uncommon in the uk until after the second world war. The preferred design of a flat roof fall is 1 40 although this can vary and be anywhere down to 1 80. That will help you remember certain factors and details to build the best possible flat roof.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. This ethylene propylene diene monomer rubber covering is very versatile long lasting and very strong. Flat roof construction for residential.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Garage porch flat roofing. Using timber wall plates. By way of metal flat roof joist hangers.

This depends on the site upon which the structure has been built. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. The flat roof covering can also be epdm. It must provide adequate protection against the elements keeping the buildings structure and interior dry.

This is usually a timber boarding of some type which in turn is supported on joists. Flat roof components. A flat roof is a multi layer construction typically comprising of the following elements.