Roof Pitch Area Multiplier

Measuring roof area.

Roof pitch area multiplier.

As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. Depending whether the roof area is measured horizontally possibly from a drawing or photograph a correction factor is necessary to determine the actual area of the roof. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. A roof pitch multiplier also known as a roof pitch factor is a number that when multiplied by the area covered by a sloped roof gives the actual area of the roof.

Roof pitches in degrees. How to measure a roof with google earth. A roof pitch multiplier also called a roof pitch factor is a number that is multiplied. The value arrived at 928 reflects the square feet of the roof.

For multi pitched roofs simply add the areas of all common pitches together by toggling layer visibility from the summed layer identified by the eye symbol at the left of the layers control. The maths behind this number is that it is the square root of rise run 2 1. Now you re ready to price out the materials. The roof pitch multiplier is a number that allows you to find the total surface area of your.

Make sure that this is going to be affordable for you as more materials and time are needed to construct steeper roofs. Roof pitch how much to add. This roof pitch table displays a multiplier for adding for. The first thing that you need to understand before picking any selections from a roof pitch multiplier chart is to ensure that it s affordable.

Take your area result and multiply it by the pitch multiplier or slope correction factor found in the table above to arrive at the roof s surface area.