Flat Roof Regulations Uk

If you want to carry out repairs on or re cover less than 25 per cent of the area of a pitch or flat roof you will not normally need to submit a building regulations application.

Flat roof regulations uk.

The performance of the new covering will be significantly different to that of the existing covering in the event of a fire. Consult your local authority if you are planning a new flat roof. The two variations of flat roof usually flat roof constructions are defined as either cold or warm depending on how the thermal insulation is positioned in the construction. There must be a slope of 1 80.

Always follow a safe system of work using a platform beneath the roof where possible. You will need approval however if. 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. Most flat roof systems will meet the regulations but check with your contractor.

To comply with part l of the building regulations 2010 all roofs to rooms except those in unheated buildings should be thermally insulated to a maximum u value of of 0 18 w m k. This depends on the site upon which the structure has been built. We recommend limited access unless the roof is designed for it. The preferred design of a flat roof fall is 1 40 although this can vary and be anywhere down to 1 80.

A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. Flat roofs were uncommon in the uk until after the second world war. In bs 6229 a roof is defined as flat if it has an overall pitch of 10 degrees or less. Maintenance all parts of a building benefit from care and regular checks.

Part h of the building regulations regarding drainage state that water should drain to one or two edges. U value of a flat roof. However if the roof with integral insulation is to be replaced then you may be required to upgrade this thermal element of the structure and reduce the amount of heat that was originally lost by upgrading the insulation. If occasional access is required e g.

It must provide adequate protection against the elements keeping the buildings structure and interior dry. You carry out structural alterations. When installing or repairing a flat roof you must adhere to building regulations. A lower u value indicates better insulation properties hence u value requirements usually specify a maximum value.

A qualified roofing contractor will be able to advise on this but here are some of the main guidelines. Falls from flat roof edges can be prevented by simple edge protection arrangements a secure double guardrail and toeboard around the edge. A flat roof must be strong durable and stable throughout its lifetime.