How To Figure Out How Many Roofing Shingles I Need

To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

How to figure out how many roofing shingles i need.

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. Your roof line is not going to be the same as the square footage in your home. 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.

At this point you will also need to estimate or measure the overhang if you have one. A square represents 100 square feet of area covered by shingles. The most common type of shingle called a three tab or strip shingle is generally packaged three bundles per square. So in the gable roof example above you need 240 squares of underlayment.

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 overhand measurement will need to be added to the measurement of the building. The result is 240 and this means you would need 240 squares of shingles to cover that roof. 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. 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. 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.

For a new roof you will also need the same amount of underlayment. If you have valleys and or dormers you will need to measure and calculate those by adding their sq. 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. Of the rest of the roof.

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