How To Figure The Amount Of Shingles For A Roof

Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle.

How to figure the amount of shingles for a roof.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. 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.

Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. There is nothing worse than being short on shingles because you will only realize this close to the end of your project. 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. Singles are often sold in bundles with three bundles equaling one roof square.