How To Estimate Roofing Squares

Then add 10 to the number to account for waste.

How to estimate roofing squares.

Outside of the u s a degree angle is typically used. Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments. The length l times the height h of a triangle is twice its area a2. It is often compared to slope but is not exactly the same.

Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. How to estimate roofing materials. 1 roof square 100 square feet. The answer is the number of roofing squares for the roof.

A square simply refers to a 10 x 10 square of roofing. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

To find the squares divide the overall roof area by 100 and then round up. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. This is simply 100 square feet of roof. If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.

Convert the area to roofing squares. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. For instance if the roof is 1550 square feet then it is 16 squares.