How To Determine How Many Shingles Needed For Roof

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.

How to determine how many shingles needed for roof.

To properly calculate how many bundles of shingles are needed to roof your home you need to calculate the total square footage of the roof and convert it to squares. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. Be sure to add a couple of bundles for double first row and capping. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

An important part of any roofing repair or replacement project is being able to accurately calculate the quantity of roofing materials required to finish the job. Also have a couple of bundles spare on hand to cover wind damage etc. 33 square feet per bundle 100 square feet per square 4 nails per shingle. For example you will need to figure out the exact number of shingles required to cover the entire roof area.

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. At this point you will also need to estimate or measure the overhang if you have one. 3 bundles per square. This overhand measurement will need to be added to the measurement of the building.

Singles are often sold in bundles with three bundles equaling one roof square. Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Once you have these measurements you will need to calculate the area of the roof and then you can see how many shingles you will need.

Compute the area of the whole roof and determine the number of bundles. A square represents 100 square feet of area covered by shingles. 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. 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.

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. Once you know this number you can estimate the final price of the materials.