Roof Pitch 12 2 Addition

The best roofs for a 2 12 pitch roof pitch basics.

Roof pitch 12 2 addition.

To convert between american roofing ratios and pitch degrees follow these steps. Find the inverse tangent of the pitch to find the angle in degrees. Image 1 12 to 12 12 roof pitch 7 12 pitch. What degree angle is a 12 12 pitch roof.

If this isn t practical then perform the same measurement on the underside of the roof. We included a roof pitch chart below the 7 12 example image and the calculator below that. Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal.

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. Roof pitch degree table. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. A 12 12 pitch roof has a pitch angle of 45.

Get your roof size by using this roof pitch calculator. Divide the first part of the ratio by 12 to work out the pitch. For that reason flat roofs are limited to these types of covering materials.