Sloped Roof 2 Per 12

These roofs have a pitch less than 4 12.

Sloped roof 2 per 12.

The table below shows common roof pitches and the equivalent grade degrees and radians for each. There are two main categories of roofing. Clay and concrete tile. Conventional roofs are the easiest to construct and you can walk on them safely.

They have a pitch ranging from 4 12 to 9 12. High pitched roofs often need extra fasteners and their pitch can be as high as 21 12. Once you ve figured out the pitch of your roof you can consult the following chart to discover the slope factor and hip valley factor. 3 12 1 2 12 and 1 4 12.

Roof slope style. The run always remains constant at 12 inches. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. Simply put it s a shallow roof.

For example if you measure 4 inches the pitch of your roof is 4 12. Conventional slope roof range between 4 in 12 and 8 in 12. If a roof rises 2 in a length of 12 this is 2 12 roof pitch. Most roof s have a pitch in the 4 12 to 9 12 range.

You can also calculate roof pitch even without using a roof slope calculator. 2 12 roof pitch angle 9 46 degrees. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units. A flat roof has a slope of 2 in 12 or less.

Download the slope chart pdf. That is the roof s rise. The most common slopes are. Pitch of roof slope factor valley hip factor.

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. A low slope roof is anywhere from 2 in 12 to 4 in 12. Asphalt shingles can only be installed on roof slopes of 2 12 or greater.