Roof Pitch 12 2 Addition

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 12 2 addition.

Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch. We included a roof pitch chart below the 7 12 example image and the calculator below that. Divide the first part of the ratio by 12 to work out the pitch. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal.

A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely. How roof pitch determines suitable roofing systems. 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.

The table below shows common roof pitches and the equivalent grade degrees and radians for each. A 12 12 pitch roof has a pitch angle of 45. Get your roof size by using this roof pitch calculator. For that reason flat roofs are limited to these types of covering materials.

Roof pitch degree table. 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. Image 1 12 to 12 12 roof pitch 7 12 pitch.