How To Find Square Footage Of A Roof

Then add 10 to the number to account for waste.

How to find square footage of a roof.

Use this information if. With the area measurement you can learn the approximate cost of a new 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. 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.

Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. You will need to express this size in terms of square feet. To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof. The first step in a free roofing estimate is measuring the roof dimensions.

In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area. When calculating square footage for your roof always add at least 10 percent of the total to account for waste. Calculate square footage for a roof by measuring and by performing some basic math equations. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.

On a multistory house use only the square footage of a single floor. Use only the square footage directly covered by the roof. Minor differences in calculations occur based on chimneys and other. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.