Sloped Roof 2 Per 12

Asphalt shingles can only be installed on roof slopes of 2 12 or greater.

Sloped roof 2 per 12.

The run always remains constant at 12 inches. Pitch of roof slope factor valley hip factor. Download the slope chart pdf. High pitched roofs often need extra fasteners and their pitch can be as high as 21 12.

A low slope roof is anywhere from 2 in 12 to 4 in 12. Conventional roofs are the easiest to construct and you can walk on them safely. These roofs have a pitch less than 4 12. You can also calculate roof pitch even without using a roof slope calculator.

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. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units. There are two main categories of roofing. They have a pitch ranging from 4 12 to 9 12.

2 12 roof pitch angle 9 46 degrees. Metal roof slope is expressed by a ratio indicating the roof pitch which notes the vertical rise of the roof in inches for every 12 inches the roof runs horizontally in other words dividing the vertical rise and its horizontal span. 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. A flat roof has a slope of 2 in 12 or less.

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. The most common slopes are. For example if you measure 4 inches the pitch of your roof is 4 12. The table below shows common roof pitches and the equivalent grade degrees and radians for each.

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. Conventional slope roof range between 4 in 12 and 8 in 12. That is the roof s rise. If a roof rises 2 in a length of 12 this is 2 12 roof pitch.

Clay and concrete tile. Most roof s have a pitch in the 4 12 to 9 12 range. Simply put it s a shallow roof.