Min Roof Pitch Ny

Nonclassified roof coverings shall be permitted on buildings of group r 3 and group u occupancies where there is a minimum fire separation distance of 6 feet measured from the leading edge of the roof.

Min roof pitch ny.

What is the minimum pitch slope of an asphalt shingle roof. Minimum roof pitch for shingles. However you can only use this pitch with built up roofing or specialized synthetic roofing. 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.

With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs. So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum. The minimum roof slope allowed by code for any type of roofis in 12 applicable only to coal tar pitch roof systems. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.

Shingles of all types need to have a slope to function properly. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. I e 4 inches of rise per 12 inches one foot of run. You could also opt for a pvc flat roofing membrane.

The following tableprovides the minimum required allowable roof slope for each type of roofing material mentioned in the code.