How Many Squares Will My Roof Need

You will need to express this size in terms of square feet.

How many squares will my roof need.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. The answer is the number of roofing squares for the roof. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. 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. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. This is simply 100 square feet of roof. 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.

However shingles are packaged in a way that they are light enough for the average person to carry around. Allows cool dry air to enter the attic. Cecil venturella march 3. A square simply refers to a 10 x 10 square of roofing.

Check that your footage measurements are within this range so you can start off on the right foot. Choose one of the following products to meet the recommended intake nfva of 528 square inches. To find the squares divide the overall roof area by 100 and then round up. To calculate the number of squares or bundles you need you should consider using the measurement method.

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. Estimate the pitch of the roof. The result is 240 and this means you would need 240 squares of shingles to cover that roof. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

However if you are using heavier shingles you will require 4 to 5 bundles for a square. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. A square is an area of roof which measures 100 square feet.