How Many Squares Will My Roof Need

Allows cool dry air to enter the attic.

How many squares will my roof need.

To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. Estimate the pitch of the roof. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. To calculate the number of squares or bundles you need you should consider using the measurement method.

For instance if the roof is 1550 square feet then it is 16 squares. Choose one of the following products to meet the recommended intake nfva of 528 square inches. This is simply 100 square feet of 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.

The following product options will allow you to achieve an intake nfva of 528 square inches. Check that your footage measurements are within this range so you can start off on the right foot. A square is an area of roof which measures 100 square feet. 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. Cecil venturella march 3. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square.

For a new roof you will also need the same amount of underlayment. To find the squares divide the overall roof area by 100 and then round up. 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. A square simply refers to a 10 x 10 square of roofing.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. The result is 240 and this means you would need 240 squares of shingles to cover that roof.