How To Figure Out How Many Roof Shingles You Need

If you have valleys and or dormers you will need to measure and calculate those by adding their sq.

How to figure out how many roof shingles you need.

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. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator. 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. If you have decided to do the work on your own we d like to help. 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. To estimate how many shingles you ll need first estimate the total square footage of your roof s surface.

Be sure to add a couple of bundles for double first row and capping. 100 sq ft 21 shingles per bundle. A square represents 100 square feet of area covered by shingles. Check out our estimating guidelines below and visit choosing the right roof and things you should know for additional information.

This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. 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. 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. Your roof line is not going to be the same as the square footage in your home.

Of the rest of the roof. Compute the area of the whole roof and determine the number of bundles. Singles are often sold in bundles with three bundles equaling one roof square. You will need to measure the length and height of you roof to calculate how many bundles you need to purchase.

33 square feet per bundle 100 square feet per square 4 nails per shingle. Also have a couple of bundles spare on hand to cover wind damage etc.