2 12 Roof Slope

If a roof rises 2 in a length of 12 this is 2 12 roof pitch.

2 12 roof slope.

The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. Definitions vary on when a roof is considered pitched. Roof pitch designations are comprised of two numbers indicating a ratio.

Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Pitch is the term used to describe the angle slope or slant of your roof.

In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Asphalt shingles continue to be the most widely installed roof covering option in north america. Thermoset and thermoplastic single ply roofing requires a minimum roof pitch of 1 4 12 or greater.

This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Thus pitch is typically greater in areas of high rain or snowfall. Most roof s have a pitch in the 4 12 to 9 12 range. Modified bitumen roofing requires a minimum roof pitch of 1 4 12 or greater.

Or the colon can replace the slash as in 2 12 or 7 12. The exact roof slope in degrees is given by the arctangent. Roof pitch defined and explained. Standing seam roof systems must have a minimum roof slope of 1 4 12.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Roof pitch is a term describing how steep or flat your roof slope is. That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12.

Simply put it s a shallow roof. 2 12 roof pitch angle 9 46 degrees.