Minimum Roof Pitch Colorado
You could also opt for a pvc flat roofing membrane.
Minimum roof pitch colorado. Rafters are built or framed on an angle to achieve the designed pitch of a roof. Asphalt shingles continue to be the most widely installed roof covering option in north america. 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. What is the minimum pitch slope of an asphalt shingle roof.
Building codes require a minimum slope. 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. 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 short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. We require a 2 12 pitch for our standing seam products. 4 responses to 28 minimum roof pitch with metal roofing. Thanks walt in colorado.
That works out to about nine degrees if that works better for you. 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. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal.
The minimum requirement is 2 12. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.