How Many Squares Average Roof

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

How many squares average 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. Multiplying this square footage by a standard multiplier of 1 35 for an average pitched roof yields 2 160 square feet of area. The first step in a free roofing estimate is measuring the roof dimensions. Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30.

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. Using an international foot of exactly 0 3048 meters length. 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. 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.

How roof area is calculated. In general the average residential property will have a roof measured between 22 35 squares. You can calculate the cost of your roof by following these steps. Convert the area to roofing squares.

100 square feet 1 roofing square 9 290304 cubic meters si unit. Get free roofing quotes. How many rolls of felt will you need. Get accurate roofing quotes.

1 roofing square 9 290304 m 3. Here s a look at the cost breakdown for different projects. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. 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. The answer is the number of roofing squares for the roof.

Our roof calculator uses base length and base. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 10 feet by 10 feet 100 square feet. Roofing felt is sold by the roll.

All numbers in the chart were calculated based on standard installation and do not include any roof repair work. 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 will need to express this size in terms of square feet.