How To Figure Amount Of Shingles Needed For Roof

Enter appropriate roof pitch slope.

How to figure amount of shingles needed for roof.

Ridge length top ridge plus the 4 hips in lineal feet. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. To calculate the number of squares or bundles you need you should consider using the measurement method. Total shingles needed the number of packs needed to cover the roof but does not add additional packs needed for ridge capping and starter strips.

Measure the length of the bottom of any triangular shaped portion of the roof. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. Shingles typically come in a bundle that s large enough to cover 1 3 of a square. To estimate roofing materials start by finding the total square footage of the roof and divide the number by 100 to determine the number of squares in the roof.

However if you are using heavier shingles you will require 4 to 5 bundles for a square. However shingles are packaged in a way that they are light enough for the average person to carry around. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. So if you have 24 squares multiply that by 3 to get 72 bundles.

Measure your roof accurately. Measure the length and width of each rectangular or square area of the roof and multiply the length times the width to gain the total. Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Then add 10 to the number to account for waste.

To figure out how many bundles you ll need multiply the number of squares by 3. How to use roof calculator. Roof area total square footage of the roof. Starter strip the perimeter of the roof in lineal feet.

How to figure how many squares are needed for shingles.