Sq Ft Of Roof

A square simply refers to a 10 x 10 square of roofing.

Sq ft of roof.

The total amount of roofing material you need is 17 300 1 730 19 030 square feet. Assuming this is a hip roof we multiply this by 1 1 which gives us roughly 18 squares or 1 800 square feet of the roof surface. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For estimating purposes we also assume that there is a chimney a couple of dormers and two layers of old shingles that need to be torn off and removed before a new roof can be installed.

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 average residential roof size in the us is about 1 700 square feet or 17 squares although there are many larger homes with roofs that are twice as large. 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. This gives us a 3d roof area of 1 625 sq ft.

A square is equal to 100 square feet of the 3 dimensional roof surface. 100 square feet 1 roofing square 9 290304 cubic meters si unit. Link to your exact conversion. 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.

Using an international foot of exactly 0 3048 meters length. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Next you will need to use a roofing materials calculator. 1 roofing square 9 290304 m 3.

1 ft x 1 ft. Check that your footage measurements are within this range so you can start off on the right foot. This is simply 100 square feet of roof. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.

If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. The answer is the number of roofing squares for the roof. All professional roofers use squares to measure and estimate roofs.

Estimate the pitch of the roof. Multiply the square footage of your roof by 1 to get the 10 percent waste allowance. 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. 10 feet by 10 feet 100 square feet.