Sloped Roof 2 Per 12

If a roof rises 2 in a length of 12 this is 2 12 roof pitch.

Sloped roof 2 per 12.

2 12 roof pitch angle 9 46 degrees. 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. Pitch of roof slope factor valley hip factor. High pitched roofs often need extra fasteners and their pitch can be as high as 21 12.

The table below shows common roof pitches and the equivalent grade degrees and radians for each. A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. A flat roof has a slope of 2 in 12 or less. They have a pitch ranging from 4 12 to 9 12.

You can also calculate roof pitch even without using a roof slope calculator. 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. Conventional roofs are the easiest to construct and you can walk on them safely. 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.

Most roof s have a pitch in the 4 12 to 9 12 range. Conventional slope roof range between 4 in 12 and 8 in 12. Roof slope style. That is the roof s rise.

Download the slope chart pdf. These roofs have a pitch less than 4 12. For example if you measure 4 inches the pitch of your roof is 4 12. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units.

Also if asphalt shingles are installed on a roof slope of 2 12 to 4 12 it shall be provided with a double underlayment application. Asphalt shingles can only be installed on roof slopes of 2 12 or greater. There are two main categories of roofing. Simply put it s a shallow roof.

The most common slopes are. A low slope roof is anywhere from 2 in 12 to 4 in 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.