Roof Pitch For Asphalt Shingles

These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch.

Roof pitch for asphalt shingles.

Asphalt shingles require a minimum roof pitch of 2 12 or greater. Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. 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. The minimum requirement is 2 12.

Additional underlayment protection with special application methods are required when asphalt shingles are installed on a low slope roof following the manufacturer s application instructions. For individuals who are not well versed with roofing and architecture the slant of a roof seems like a trivial matter to worry about but it does play an important role in planning out and installing the right material and parts for your roof. We can even help you find a professional to install it. Installation on roof slopes below a 2 in 12 pitch is not recommended at all.

That works out to about nine degrees if that works better for you. Let us recap on the minimum roof pitch required for each type of roofing material. Asphalt shingle roofing is designed to shed water that is flowing downward over its surface with each shingle overlapping the one below. Metal roof shingles require a minimum roof pitch of 3 12 or greater.

Asphalt shingles continue to be the most widely installed roof covering option in north america. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. The asphalt shingle manufactures recommend that you install asphalt shingles on a recommended minimum of 4 in 12 or greater however most manufactures will warrant their shingles down to a 2 in 12 pitch if the recommended installation method is used. What is the minimum slope for an asphalt shingle roof.

What is the roof pitch for asphalt shingles on a house. Asphalt shingles should never be applied to roof slopes below 2 12 2 of vertical rise for every 12 of horizontal run or 9 5. The roofing materials most often used for these pitches include asphalt composite shingles. Pitch is measured in inches of vertical rise of the roof over one foot 12 inches of horizontal run.

Experience the total owens corning roofing system and high quality roofing shingles. Shingles of all types need to have a slope to function properly. So a 4 12 pitch roof rises 4 inches for every 12 inches of horizontal run. What is the minimum pitch slope of an asphalt shingle roof.

Traditional 3 tab shingles made with asphalt composite are the most popular type of shingle and are the most flexible in terms of adapting to many roof pitches. Manufacturers of asphalt shingles recommend a pitch of 4 12 or more but the absolute minimum pitch is 2 12. They won t be appropriate for all roofs. There are plenty of other options however for flat and nearly.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Fortunately the requirements are quite accommodating. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Roof pitch is another term for the inclination of your roof and how steep it is.