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.

Minimum roof pitch for shingles.

Pitch is measured in inches of vertical rise of the roof over one foot 12 inches of horizontal run. Tuesday september 11 2018. Manufacturers of asphalt shingles recommend a pitch of 4 12 or more but the absolute minimum pitch is 2 12. Asphalt shingles continue to be the most widely installed roof covering option in north america.

The minimum requirement is 2 12. What is the minimum pitch slope of an asphalt shingle roof. Shingles of all types need to have a slope to function properly. However it is regrettable that many installers usually ignore this requirement due to the desire for a quick installation process.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Wood shakes require a minimum roof pitch of 3 12 or greater. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

That works out to about nine degrees if that works better for you. Wood shingles require a minimum roof pitch of 3 12 or greater. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Metal roof shingles require a minimum roof pitch of 3 12 or greater.