How Many Squares Average Roof

All numbers in the chart were calculated based on standard installation and do not include any roof repair work.

How many squares average roof.

You will need to express this size in terms of square feet. Convert the area to roofing squares. 100 square feet 1 roofing square 9 290304 cubic meters si unit. This surface area that needs to be covered by roofing material is the same whether the structure is a permanent house or a mobile home.

Here s a look at the cost breakdown for different projects. 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. Roofing felt is sold by the roll. 1 average replacement time calculated as an approximate time in days for a professional roofing crew to remove old and install 35 40 squares of new roofing materials on simple gable or hip roof with up to 8 12 pitch.

0 roof squares 10 allowance for waste is included. Replacement rotten wood rafters reinforcement installation. Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area. Multiplying this square footage by a standard multiplier of 1 35 for an average pitched roof yields 2 160 square feet of area.

10 feet by 10 feet 100 square feet. The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound roofing felt covers about 200 ft 2 or 2 squares. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. 1 ft x 1 ft.

You can calculate the cost of your roof by following these steps. Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30. 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. Each roofing task is subjected to its own costs and these have to be noted before a final estimate is put together.

Get free roofing quotes. How many rolls of felt will you need. Using an international foot of exactly 0 3048 meters length. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.

Get accurate roofing quotes. Outside of the u s a degree angle is typically used. Multiplying the two values yields 1 600 square feet. The answer is the number of roofing squares for the roof.

How roof area is calculated. Our roof calculator uses base length and base. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.