How To Determine How Many Shingles Needed For Roof

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.

How to determine how many shingles needed for roof.

100 sq ft 21 shingles per bundle. 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. 33 square feet per bundle 100 square feet per square 4 nails per shingle.

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. Singles are often sold in bundles with three bundles equaling one roof square. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100. 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.

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

The result is 240 and this means you would need 240 squares of shingles to cover that roof. For example you will need to figure out the exact number of shingles required to cover the entire roof area. Be sure to add a couple of bundles for double first row and capping. Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.

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

A square represents 100 square feet of area covered by shingles. Once you know this number you can estimate the final price of the materials. 3 bundles per square.