How To Count Squares On A Roof

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.

How to count squares on a roof. For instance if the roof is 1550 square feet then it is 16 squares. To find the squares divide the overall roof area by 100 and then round up. To convert the square footage to roof squares divide the square footage by 100. Roof pitch is measured by rise run.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. The first step in a free roofing estimate is measuring the roof dimensions. Find the square footage of the roof. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure.

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. Determine the bundles of shingles. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Use the instructions for obtaining roof slope to add to your ground measurements.

Multiply the length by the width to arrive at. The distance from the outside edge of a perimeter stud wall to the center of the house. 1 roof square 100 square feet. The run always remains constant at 12 inches.

Because each 100 square feet of roof is one roofing square divide. A square simply refers to a 10 x 10 square of roofing. Measure the length and width of each portion of the roof multiply length by. Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments.

When calculating square footage for your roof always add at least 10 percent of the total to account for waste. L h 2 area calculating an area of a triangle when estimating a roof. Divide the total footage by 100 to determine the number of squares in the. You will need to express this size in terms of square feet.

How to estimate roofing materials. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Determine the total number of squares. Shingles and other roofing materials such as underlayment are typically measured in squares that are 10 feet long and 10 feet wide with each square measuring 100 square feet.

The distance from the top of a stud wall to the peak of the roof. The roof surface area would be 24. If you use ground measurements to determine your roof squares you will need to also compensate roof overhang and slopes to get an accurate count. Convert the area to roofing squares.

The length l times the height h of a triangle is twice its area a2.