2 12 Roof Slope

The exact roof slope in degrees is given by the arctangent.

2 12 roof slope.

Definitions vary on when a roof is considered pitched. 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. Thus pitch is typically greater in areas of high rain or snowfall. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

Pitch is the term used to describe the angle slope or slant of your roof. Most roof s have a pitch in the 4 12 to 9 12 range. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Simply put it s a shallow roof.

The table below shows common roof pitches and the equivalent grade degrees and radians for each. Roof pitch is a term describing how steep or flat your roof slope is. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Modified bitumen roofing requires a minimum roof pitch of 1 4 12 or greater.

Thermoset and thermoplastic single ply roofing requires a minimum roof pitch of 1 4 12 or greater. If a roof rises 2 in a length of 12 this is 2 12 roof pitch. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Asphalt shingles continue to be the most widely installed roof covering option in north america.

Standing seam roof systems must have a minimum roof slope of 1 4 12. Or the colon can replace the slash as in 2 12 or 7 12. In degrees 10 2 in 12 or 1 in 6 is considered a minimum. Lapped nonsoldered seam metal roofs with applied lap sealant must have a minimum roof slope of 1 2 12.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The combination of two numbers are used to display or show the roof pitch. Roof pitch designations are comprised of two numbers indicating a ratio. Roof pitch defined and explained.

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. 2 12 roof pitch angle 9 46 degrees.