Steep Slope Roof Definition

Steep slope roofing is defined as any roof pitched greater than 3 in 12 or 14 degrees or 25.

Steep slope roof definition.

Steep slope roofing is defined as any roof pitched greater than 3 in 12 or 14 degrees or 25. Steep slope roof noun according to astm standard e 1918 97 a roof in which the uppermost part is installed at a slope of 2 12 9 5 degrees or more. Steep slope roofing the slope of a roof is often referred to as the pitch. Low slopes the steepness of your roof known as the roof pitch or slope is an important decision to make for your home.

Roof slope table table of roof rise run slope types walkability. Roof slope affects roof life steeper roofs drain better so may be more leak resistant as well as roof installation cost steeper roofs are harder or even impossible to walk on without using roof jacks or scaffolding increasing labor costs to install roofing. A roof is considered to be a steep slope roof if the slope is greater than 18 degrees. The slope or pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch 12 length called the run.

Knowing the difference between a steep pitch a low pitch or somewhere in between is something you want to be comfortably informed about when considering roofing changes. The national roofing contractors association nrca and other authorities and texts use these general definitions of roof pitch or slope. Steep slope roofs require underlayment that is appropriate for application. A roof with x rise 12 run slope means that for every 12 inches horizontally run it rises x inches.

Steep slope roof plural steep slope roofs technical construction us according to astm standard e 1918 97 a roof in which the uppermost part is installed at a slope of 2 12 9 5 degrees or more. Definition of low slope steep slope roofs.