How To Figure How Many Roof Shingles I Need

Find the square footage of the roof.

How to figure how many roof shingles i need.

When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. Be sure to add a couple of bundles for double first row. Determine the number of shingle bundles you ll need by multiplying by 3. 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.

Measure the length and width of each portion of the roof multiply length by. To figure out how many bundles you ll need multiply the number of squares by 3. Compute the area of the whole roof and. To calculate the number of squares or bundles you need you should consider using the measurement method.

Determine the bundles of shingles. Rectangle of roof on one side of the building the calculator uses these measurements to. Determine the total number of squares. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

How to figure how many squares are needed for shingles step 1. However if you are using heavier shingles you will require 4 to 5 bundles for a square. However shingles are packaged in a way that they are light enough for the average person to carry around. Shingles typically come in a bundle that s large enough to cover 1 3 of a square.

How many bundles of shingles will you need the average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Measure both the width gable side and the length eave gutter side. Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.

Measure the length and width of each rectangular or square area of the roof and multiply the length times the. Mark the center of the bottom. Determine the number of bundles. Measure the length of the bottom of any triangular shaped portion of the roof.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. So if you have 24 squares multiply that by 3 to get 72 bundles. Two sided sloped roof. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.