8 inches and you have an 8 in 12 pitch.
How to count squares for roofing material.
The first step in a free roofing estimate is measuring the roof dimensions.
Roofing contractors estimate projects and materials by the square so it is crucial to find this measurement to accurately estimate the amount of material needed.
For instance if the roof is 1550 square feet then it is 16 squares.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the 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.
If this distance measures 4 inches you have a 4 in 12 pitch.
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This is simply 100 square feet of roof.
How to estimate roofing materials.
When calculating square footage for your roof always add at least 10 percent of the total to account for waste.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Pitch measurement method 1.
1 roof square 100 square feet.
Divide the total footage by 100 to determine.
A square simply refers to a 10 x 10 square of roofing.
Once you work through the basic triangle we will review a typical roof and how to apply some simple math to calculate how much material you will need for a roof used in our hypothetical example.
Roofing materials are typically packaged in squares each of which is the equivalent of 100 square feet 9 3 m 2 of roof space.
Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage 1 x research source if you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof.
If your roof has dormers hips or other complex elements don t forget step 2 determine the total number of squares.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
For a 12 000 sq ft 1 100 m 2 roof you ll need a minimum of 120 squares.
Step 1 find the square footage of the roof.
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.
To find the squares divide the overall roof area by 100 and then round up.
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.
