Figure Out Sq Ft Of Roof

Multiply the square footage of your roof by 1 to get the 10 percent waste allowance.
Figure out sq ft of roof. The best part of a roofing calculator is that it offers a free insight into the total cost of the replacement roof project on a sq ft basis. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. Enter square footage calculate or enter the square footage of the attic or area to be vented. This is simply 100 square feet of roof.
The answer is the number of roofing squares for the roof. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Convert the area to roofing squares. To conclude the example if your total roofing area is 17 300 square feet your waste allowance would be 17 300 x 1 1 730 square feet.
The calculator cannot account for complex shapes based on a measurement of square footage alone. As you begin to calculate various costs you will see that the cost is a result of the interplay of many different variables including roof area in terms of footage measurement of any roof extras like. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
A square simply refers to a 10 x 10 square of roofing. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 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. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
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. However shingles are packaged in a way that they are light enough for the average person to carry around. The total amount of roofing material you need is 17 300 1 730 19 030 square feet. To accurately calculate the area of your roof you must first determine its slope or pitch.