Roof Pitch Regulations

Steep roof above 4 12 slope 29 cfr 1926 501 b 11.

Roof pitch regulations.

With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs. A qualified roofing contractor will be able to advise on this but here are some of the main guidelines. We take the roof pitch rise of 7 inches of rise per foot and multiply that by 4 feet of horizontal run to high point which equals 28 inches of rise to the highest point within 10 feet of the chimney penetration. There must be a slope of 1 80 part h of the building regulations regarding drainage state that water should drain to one or two edges waterproofing should extend up the adjacent walls at least.

But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof. The bottom must be 18 inches and the top layer a minimum of 36 inches wide. Low slope roof 4 12 slope or less 29 cfr 1926 501 b 10. Metal roof shingles require a minimum roof pitch of 3 12 or greater.

For homes with a single predominant roofline the pitch of the roof must be at least five feet rise for every twelve feet of run. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. Mortar cannot actually bond the timber to the wall. Employers must provide the right equipment employers must provide fall protection and the right equipment for the.

Our roof pitch is 7 12 and the roof penetration will be 4 feet away from ridge of the roof. For closed valleys valley covered with shingles. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

The wall plate is a strip of timber which is bedded in mortar on top of the wall and which evenly distributes the load.