How To Figure How Many Shingles For A Roof

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.

How to figure how many shingles for a roof.

Calculate the amount of asphalt or fiberglass shingles needed to cover a hip roof. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. It should have a curved roof. The difference is in the amount of ridge capping you need and the amount you will waste.

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. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. The dead air space between the metal roof and shingle roof will work as a barrier to dissipate heat. The shingle count method of the old shingles have not been removed from the roof you can easily use this method to calculate the number of shingles you are going to need.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. 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. Outside of the u s a degree angle is typically used.

Singles are often sold in bundles with three bundles equaling one roof square. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. Once you know this number you can estimate the final price of the materials. 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.

A mobile home roof should not be flat. 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. For example you will need to figure out the exact number of shingles required to cover the entire roof area. You should use rolled roofing on a flat roof over lap 1 2 the width of the rolled roofing.

If you are going to use shingles build a pitched roof over the mobile home.