How To Figure Out How Many Roofing Shingles I Need

Singles are often sold in bundles with three bundles equaling one roof square.

How to figure out how many roofing shingles i need.

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. So in the gable roof example above you need 240 squares of underlayment. If you have valleys and or dormers you will need to measure and calculate those by adding their sq. Of the rest of the roof.

Your roof line is not going to be the same as the square footage in your home. The result is 240 and this means you would need 240 squares of shingles to cover that 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. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

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. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. A square represents 100 square feet of area covered by shingles. Roof surfaces are measured in squares a square is an area of roof which measures 100 square feet.

At this point you will also need to estimate or measure the overhang if you have one. Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. 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. This means you would need 240 squares of shingles to cover that roof.

You will need to measure the length and height of you roof to calculate how many bundles you need to purchase. For a new roof you will also need the same amount of underlayment. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. For example you will need to figure out the exact number of shingles required to cover the entire roof area.

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