How To Figure Square Foot With Roof Pitch

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

How to figure square foot with roof pitch.

A roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch. For instance if the roof is 1550 square feet then it is 16 squares. A square simply refers to a 10 x 10 square of roofing. Next you will need to use a roofing materials calculator.

In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. Estimate the pitch of the roof. Pitch measurement method 1.

Sometimes pitch is also expressed in fraction form using a fraction with a slash such as 6 12. 8 inches and you have an 8 in 12 pitch. To find the squares divide the overall roof area by 100 and then round up. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

Outside of the u s a degree angle is typically used. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate. This is simply 100 square feet of roof. The answer is the number of roofing squares for the roof.