Sloped Roof 2 Per 12

Roof slope style.

Sloped roof 2 per 12.

They have a pitch ranging from 4 12 to 9 12. Clay and concrete tile. 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. High pitched roofs often need extra fasteners and their pitch can be as high as 21 12.

Conventional roofs are the easiest to construct and you can walk on them safely. This means for every 12 horizontal units the roof must rise a minimum of 2 vertical units. 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 slope roof range between 4 in 12 and 8 in 12.

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. There are two main categories of roofing. The run always remains constant at 12 inches. You can also calculate roof pitch even without using a roof slope calculator.

A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance. 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. 3 12 1 2 12 and 1 4 12. Asphalt shingles can only be installed on roof slopes of 2 12 or greater.

For example if you measure 4 inches the pitch of your roof is 4 12. These roofs have a pitch less than 4 12. Download the slope chart pdf. 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.

A low slope roof is anywhere from 2 in 12 to 4 in 12. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Simply put it s a shallow roof. Pitch of roof slope factor valley hip factor.

A flat roof has a slope of 2 in 12 or less. 2 12 roof pitch angle 9 46 degrees. The most common slopes are.