How Many Squares Will My Roof Need

To find the squares divide the overall roof area by 100 and then round up.

How many squares will my roof need.

When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. You will need to express this size in terms of square feet. Check that your footage measurements are within this range so you can start off on the right foot.

The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. Allows cool dry air to enter the attic. This is simply 100 square feet of roof. The following product options will allow you to achieve an intake nfva of 528 square inches.

For a new roof you will also need the same amount of underlayment. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. 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. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

Choose one of the following products to meet the recommended intake nfva of 528 square inches. For instance if the roof is 1550 square feet then it is 16 squares. Cecil venturella march 3. However shingles are packaged in a way that they are light enough for the average person to carry around.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. However if you are using heavier shingles you will require 4 to 5 bundles for a square. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. The answer is the number of roofing squares for the roof.

To calculate the number of squares or bundles you need you should consider using the measurement method. A square is an area of roof which measures 100 square feet. A square simply refers to a 10 x 10 square of roofing.