Roof Pitch Uk Regulations

Pitch roof this is where tiles or slates are used and a void is usually created underneath.

Roof pitch uk regulations.

Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15. Examples of pitched roofs a pitched or sloping roof has a pitch of at least 15 but often much more. To enable compliance with the requirements of the building regulations to be demonstrated full details of the new roof will be needed including materials and their dimensions and performance properties. You carry out structural alterations.

Shallow pitches are generally cheaper to construct with savings in both timber and tiling. A qualified roofing contractor will be able to advise on this but here are some of the main guidelines. It is uncommon to find a roof below 15 but for those very low pitch applications there are interlocking clay pantiles available suitable for use down to 12 5. According to the uk building regulations pitched roofs should achieve the u value of 0 18 w m2 depending on the circumstances.

Improve your home insulation with our high quality insulation products. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Call us today visit our online store or contact us for assistance by email. A typical roof pitch in the uk for a traditional house will be 40 50 but at the extreme can go up to 70 above 70 would actually be called a wall.

The lower the pitch the greater the amount of water that the roof slope will collect and discharge. There must be a slope of 1 80. In most occasions a pitch of three in twelve is preferred but this should also take into consideration the manufacturer s recommendations as well the unique condition of the corrugated metal roof. Just like other metal roofs the minimum pitch for a corrugated metal roof largely depends on the profile of the roof.

Metal roof shingles require a minimum roof pitch of 3 12 or greater. Modern tiles permit shallow pitch but some of the older traditional coverings such as hand made clay tiles require quite steep slopes to ensure rain does not penetrate the roof covering. 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. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.

The pitch of your roof will not just have an effect on the way the house looks. As a result the tiles must be able to cope particularly at the lower end of the slope with the greater expected volume of water and lower speed of water movement without risk of leakage 10 of t. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Flat roof this usually consists of felting which has a slight fall to allow rain water to drain off.