How Do You Figure Square Footage Of A Roof

The distance from the outside edge of a perimeter stud wall to the center of the house.

How do you figure square footage of a roof.

Include dormers the small outjuttings over attic windows. This would yield 1 3 next square your result. Multiply this number by your most recent result to get the estimated square footage of your roof. Measure the length and width of every roof plane or surface.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. How to calculate square feet of a roof. Calculate each plane separately. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

For example if your roof s pitch is 4 in 12 you would divide 4 by 12. Convert the area to roofing squares. The calculator cannot account for complex shapes based on a measurement of square footage alone. 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.

Because each 100 square feet of roof is one roofing square divide. Multiply the length by the width to arrive at. The run always remains constant at 12 inches. 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.

How do you calculate square footage for a roof. The distance from the top of a stud wall to the peak of the roof. Roof pitch is measured by rise run.