How Many Bundles Of Shingles For 850sq Feet Of Roof

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How many bundles of shingles for 850sq feet of roof.

When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. It is common to use 3 bundles to a square of shingles. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Compute the area of the whole roof and determine the number of bundles.

I am roofing the house trailer and need to know how many packs of shingles needed cecil venturella march 3. Each square will need three bundles of shingles to cover it. When shingles come three bundles to the square there are 29 standard sized shingles 12 in. 100 sq ft 21 shingles per bundle.

For example a very steep roof on a 1 000 square foot attic will need more shingles than a lower sloped roof on the same sized attic. Your roofer will know that steeper roofs use more shingles than lower sloped roofs for the same house size and there are established slope multiplier factors to make this calculation simple see table below. Figuring out the roof area is the first step to determine how many bundles you ll need to order. 33 square feet per bundle 100 square feet per square 4 nails per shingle.

3 bundles per square. With that as background you are now ready to estimate how many shingles you will purchase for. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. 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.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. To find the amount of shingles you will need multiply the number of squares by three. However shingles are packaged in a way that they are light enough for the average person to carry around. Also have a couple of bundles spare on hand to cover wind damage etc.

The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. However if you are using heavier shingles you will require 4 to 5 bundles for a square. Be sure to add a couple of bundles for double first row and capping. By 36 in in each bundle.

Find the total square footage of your roof by multiplying the width by the length and then divide that number by 100 and you will get the number of squares you need to cover.