How To Figure The Amount Of Shingles For A Roof

To properly calculate how.

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. There is nothing worse than being short on shingles because you will only realize this close to the end of your project. How to calculate the amount of roof shingles you need when you are replacing your roof you need to calculate the number of roof shingles you need. To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.

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. Singles are often sold in bundles with three bundles equaling one roof square. 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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.