How To Figure How Many Bundles Of Roofing Shingles Needed

33 square feet per bundle 100 square feet per square 4 nails per shingle.

How to figure how many bundles of roofing shingles needed.

However shingles are packaged in a way that they are light enough for the average person to carry around. 100 sq ft 21 shingles per bundle. However if you are using heavier shingles you will require 4 to 5 bundles for a square. With that as background you are now ready to estimate how many shingles you will purchase for.

Asphalt shingles are sold in bundles that can cover 1 3 of a roof square or roughly 33 square feet. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. Be sure to add a couple of bundles for double first row and capping. 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.

You can t merely go by the number of shingles in a bundle since shingle size and coverage vary from one brand to the next. For example if brand a has 20 shingles in a package but brand b has 26 it could be that the brand a bundle covers more area. 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. Also have a couple of bundles spare on hand to cover wind damage etc.

A square of roof is approximately 100 square feet of space on top of your home whether it runs at a slant horizontal to the yard or vertically toward a chimney or gable. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.

While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12. The key dimension you need to look at is the area covered per bundle. Then add 10 to the number to account for waste. 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.

It is common to use 3 bundles to a square of shingles. 3 bundles per square. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. Compute the area of the whole roof and determine the number of bundles. Since transportation is a major cost factor expect prices to vary by location.