Minimum Roof Pitch Colorado

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Minimum roof pitch colorado.

What is the minimum pitch slope of an asphalt shingle roof. Would you as a manufacturer of this flat metal roofing material condone a 1 12 slope for this roof. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. March 27 2018 at 10 49 am.

Thanks walt in colorado. 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. There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12. Asphalt shingles continue to be the most widely installed roof covering option in north america.

Building codes require a minimum slope. You could also opt for a pvc flat roofing membrane. However you can only use this pitch with built up roofing or specialized synthetic roofing. The minimum requirement is 2 12.

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. In some areas of the u s. For example areas hit by extraordinary lake effect snows like buffalo new york and montreal canada specify a 6 12 a rather steep pitch of approximately 26 6 degrees.

We require a 2 12 pitch for our standing seam products. 4 responses to 28 minimum roof pitch with metal roofing.