Minimum Roof Pitch For Shingles

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

Minimum roof pitch for shingles.

However it is regrettable that many installers usually ignore this requirement due to the desire for a quick installation process. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. What is the minimum pitch slope of an asphalt shingle roof. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.

So a 4 12 pitch roof rises 4 inches for every 12 inches of horizontal run. Wood shakes require a minimum roof pitch of 3 12 or greater. Shingles of all types need to have a slope to function properly. That works out to about nine degrees if that works better for you.

Metal roof shingles 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. Tuesday september 11 2018. Manufacturers of asphalt shingles recommend a pitch of 4 12 or more but the absolute minimum pitch is 2 12.

The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. What is the minimum slope for an asphalt shingle roof. 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.