Minimum Roof Pitch For Shingles

Metal roof shingles require a minimum roof pitch of 3 12 or greater.

Minimum roof pitch for shingles.

The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. What is the minimum pitch slope of an asphalt shingle roof. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Tuesday september 11 2018. Wood shingles require a minimum roof pitch of 3 12 or greater. However it is regrettable that many installers usually ignore this requirement due to the desire for a quick installation process.

Wood shakes require a minimum roof pitch of 3 12 or greater. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. Manufacturers of asphalt shingles recommend a pitch of 4 12 or more but the absolute minimum pitch is 2 12. The minimum requirement is 2 12.

Pitch is measured in inches of vertical rise of the roof over one foot 12 inches of horizontal run. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Asphalt shingles continue to be the most widely installed roof covering option in north america. Shingles of all types need to have a slope to function properly.