Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.
Roof pitch regulations.
With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs.
Steep roof above 4 12 slope 29 cfr 1926 501 b 11.
Our roof pitch is 7 12 and the roof penetration will be 4 feet away from ridge of the roof.
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.
The wall plate is a strip of timber which is bedded in mortar on top of the wall and which evenly distributes the load.
The bottom must be 18 inches and the top layer a minimum of 36 inches wide.
Metal roof shingles require a minimum roof pitch of 3 12 or greater.
Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.
A qualified roofing contractor will be able to advise on this but here are some of the main guidelines.
Know the pitch of the roof and follow the appropriate standard.
Low slope roof 4 12 slope or less 29 cfr 1926 501 b 10.
For closed valleys valley covered with shingles.
The sloping timbers are known as rafters and are supported at the top by building them into the solid wall not.
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.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
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.