How To Find Sq Footage Of Roof

The calculator cannot account for complex shapes based on a measurement of square footage alone.

How to find sq footage of roof. To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet. Calculate the square footage area of a hip roof. Multiply by the square footage of a single floor of your house. The total amount of roofing material you need is 17 300 1 730 19 030 square feet.

The lower slope length is measured from outside wall to the start of the upper sloped roof section. 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. 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. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.

The answer is the number of roofing squares for the roof. Add 1 then take the square root. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Gambrel roof square footage calculator calculate the square footage of a gambrel style roof using imperial measurements.

Adding 1 gives us 1 1 9 10 9 then taking the square root gives us about 1 0541. The square footage of a hip roof area is identical to the square footage of a gable roof of the same size. Estimate the pitch of the roof. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

The top ridge will be shorter than the one of the gable roof but the four hips will add.