Minimum Roof Pitch Colorado

Asphalt shingles continue to be the most widely installed roof covering option in north america.

Minimum roof pitch colorado.

Thanks walt in colorado. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. In some areas of the u s.

You could also opt for a pvc flat roofing membrane. 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. That works out to about nine degrees if that works better for you.

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. Building codes require a minimum slope. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. 4 responses to 28 minimum roof pitch with metal roofing.

March 27 2018 at 10 49 am. Rafters are built or framed on an angle to achieve the designed pitch of a roof. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. Shingles of all types need to have a slope to function properly.

Would you as a manufacturer of this flat metal roofing material condone a 1 12 slope for this roof. However you can only use this pitch with built up roofing or specialized synthetic roofing.