Sloped Roof 2 Per 12

The run always remains constant at 12 inches.

Sloped roof 2 per 12.

The most common slopes are. 2 12 roof pitch angle 9 46 degrees. Conventional slope roof range between 4 in 12 and 8 in 12. Pitch of roof slope factor valley hip factor.

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. 3 12 1 2 12 and 1 4 12. Conventional roofs are the easiest to construct and you can walk on them safely. There are two main categories of roofing.

These roofs have a pitch less than 4 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. Download the slope chart pdf. 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.

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. That is the roof s rise. Clay and concrete tile.

Asphalt shingles can only be installed on roof slopes of 2 12 or greater. You can also calculate roof pitch even without using a roof slope calculator. 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 slope style.

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. A low slope roof is anywhere from 2 in 12 to 4 in 12. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units. High pitched roofs often need extra fasteners and their pitch can be as high as 21 12.

Most roof s have a pitch in the 4 12 to 9 12 range. They have a pitch ranging from 4 12 to 9 12. A flat roof has a slope of 2 in 12 or less.