Calculating Square Footage Of A Roof

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.

Calculating square footage of a roof. The top ridge will be shorter than the one of the gable roof but the four hips will add. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Roof pitch is measured by rise run. The sum is the total square feet of the roof.

How to calculate square feet of a roof step 1. This is simply 100 square feet of roof. Because each 100 square feet of roof is one roofing square divide. Calculate or enter the square footage of the attic or area to be vented.

A square simply refers to a 10 x 10 square of roofing. The calculator cannot account for complex shapes based on a measurement of square footage alone. The distance from the outside edge of a perimeter stud wall to the center of the house. If this area was required to determine the quantity of roofing materials required it should be converted from square feet to square.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For instance if the roof is 1550 square feet then it is 16 squares. Calculate the square footage area of a hip roof. Convert the area to roofing squares.

Include dormers the small outjuttings over attic. This involves dividing the square feet by a hundred and the quotient is the roof square. How do you calculate square footage for a roof. The area calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof.

To find the squares divide the overall roof area by 100 and then round up. Calculate each plane separately. The only difference in this calculation to the one for a gable roof area is the amount of the ridge. 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. Multiply the length by the width to arrive at. It is not always necessary to climb up the roof to calculate the roof area. Multiply the length and width of each square or rectangle shaped plane.