Calculating Square Footage Of A Roof

Calculate or enter the square footage of the attic or area to be vented.

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. How to calculate square feet of a roof step 1. This involves dividing the square feet by a hundred and the quotient is the roof square. Multiply the length by the width to arrive at.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. To find the squares divide the overall roof area by 100 and then round up. 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. The distance from the top of a stud wall to the peak of the roof.

The square footage of a hip roof area is identical to the square footage of a gable roof of the same size. The distance from the outside edge of a perimeter stud wall to the center of the house. Measure the length and width of every roof plane or surface. Because each 100 square feet of roof is one roofing square divide.

If this area was required to determine the quantity of roofing materials required it should be converted from square feet to square. This is simply 100 square feet of roof. The run always remains constant at 12 inches. Roof pitch is measured by rise run.

How do you calculate square footage for a roof. Include dormers the small outjuttings over attic. For instance if the roof is 1550 square feet then it is 16 squares. Multiply the length and width of each square or rectangle shaped plane.

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. 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. The calculator cannot account for complex shapes based on a measurement of square footage alone. Convert the area to roofing squares.

Calculate each plane separately. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The only difference in this calculation to the one for a gable roof area is the amount of the ridge. Calculate the square footage area of a hip roof.