Minimum Roof Pitch For 3 Tab Shingles

Pitch is the term used to describe the angle slope or slant of your roof.

Minimum roof pitch for 3 tab shingles.

Roof pitch designations are comprised of two numbers indicating a ratio. Roof pitch defined and explained. Low sloped roof shingle installation. Therefore the asphalt manufactures base their warranties around the minimum recommended pitch of 4 in 12.

Asphalt shingles are an effective roof covering material for sloped roofs that can be successfully used on slopes as low as 2 12. Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles. There are differing opinions as to the minimum slope for a roof but the generally accepted minimum is 3 12. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

Let owens corning help you determine when it is time for a new roof and then let us help you choose the shingles for your roof that are right for you. We do install shingles on these in between. Experience the total owens corning roofing system and high quality roofing shingles. What slope is considered low slope for shingles.

Asphalt composition shingles are designed to be installed on roof slopes greater than a 4 in 12 pitch. Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above. Normal roof slope for typical installation. We can even help you find a professional to install it.

Some people recommend not installing asphalt shingles on slopes below 5 12 but a skilled roofer may well be able to make this work. Asphalt shingles continue to be the most widely installed roof covering option in north america. For low slopes as well as any other slope your local building department should be contacted. A roof slope of 2 12 up to but not including 4 12 is considered as low in residential construction.

With respect to shingle application roof slopes from 2 12 to less than 4 12 18 5 are called low slope roofs while roof slopes of 4 12 or greater are called normal or standard slopes. This number corresponds to the number of inches of rise in a 12 foot run. Or the colon can replace the slash as in 2 12 or 7 12. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

If 4 12 and above is normal and 2 12 is minimum what about properties with roofs in between the two such as a 3 12 pitched roof. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.