Roof Pitch Area Multiplier

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.

Roof pitch area multiplier.

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. A roof pitch multiplier also called a roof pitch factor is a number that is multiplied. The roof pitch multiplier is a number that allows you to find the total surface area of your. This roof pitch table displays a multiplier for adding for.

Given pitch and a horizontal area measurement multiply the horizontal area by a correction factor corresponding to pitch provided in the table below to determine the actual area of the roof to be used in the roofing material calculator. 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 pitch how much to add. Roof pitches in degrees.

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. 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. Now you re ready to price out the materials. Make sure that this is going to be affordable for you as more materials and time are needed to construct steeper roofs.

Measuring roof area. Your roof is without a doubt one of the most important elements of your home. How to measure a roof with google earth. 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.