Size Of An 18 Oo Square Foot House Roof

Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

Size of an 18 oo square foot house roof.

As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. 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 answer is the number of roofing squares for the roof.

The total amount of roofing material you need is 17 300 1 730 19 030 square feet. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. So continuing our example if you ve got a two story house with a total square footage of 2 700 square feet with each floor having 1 350 square feet multiply 1 350 by 1 0541 to get 1 423 square. You will need to express this size in terms of square feet.

Convert the area to roofing squares. 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. Roof pitches in. The first step in a free roofing estimate is measuring the roof dimensions.