Proper Roof Pitch For Shingles

Asphalt shingles require a minimum roof pitch of 2 12 or greater.

Proper roof pitch for shingles.

The minimum requirement is 2 12. Shingles of all types need to have a slope to function properly. The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. That works out to about nine degrees if that works better for you. The primary reason roof pitch exists in the first place is to redirect water. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

Metal roof shingles require a minimum roof pitch of 3 12 or greater. These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch. 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.

So let s say a roof rises 6 inches for every 12 inches in depth towards the peak. The roof pitch would be described as a 6 12 pitch. 5 12 to 12 12 pitch. That is to say the roof pitch expressed as a ratio tells you how many inches the roof rises for every 12 inches of depth.

What is the minimum slope for an asphalt shingle roof.