Minimum Roof Pitch Colorado

Would you as a manufacturer of this flat metal roofing material condone a 1 12 slope for this roof.

Minimum roof pitch colorado.

4 responses to 28 minimum roof pitch with metal roofing. 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. Rafters are built or framed on an angle to achieve the designed pitch of a roof. In some areas of the u s.

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. March 27 2018 at 10 49 am. Asphalt shingles continue to be the most widely installed roof covering option in north america. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

The minimum requirement is 2 12. However you can only use this pitch with built up roofing or specialized synthetic roofing. You could also opt for a pvc flat roofing membrane. That works out to about nine degrees if that works better for you.

The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. 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. 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.

Thanks walt in colorado. What is the minimum pitch slope of an asphalt shingle roof.