How To Determine How Many Shingles Needed For Roof

33 square feet per bundle 100 square feet per square 4 nails per shingle.

How to determine how many shingles needed for roof.

Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more. 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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. 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.

Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet. Be sure to add a couple of bundles for double first row and capping. Compute the area of the whole roof and determine the number of bundles. 3 bundles per square.

Also have a couple of bundles spare on hand to cover wind damage etc. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. 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. Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.

Once you know this number you can estimate the final price of the materials. 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. The result is 240 and this means you would need 240 squares of shingles to cover that roof. 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 determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. Singles are often sold in bundles with three bundles equaling one roof square. A square represents 100 square feet of area covered by shingles. For example you will need to figure out the exact number of shingles required to cover the entire roof area.

This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. 100 sq ft 21 shingles per bundle. 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.