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.
How to estimate number of shingles for roof.
100 sq ft 21 shingles per bundle.
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1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
8 inches and you have an 8 in 12 pitch.
Also have a couple of bundles spare on hand to cover wind damage etc.
Compute the area of the whole roof and determine the number of bundles.
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.
If this distance measures 4 inches you have a 4 in 12 pitch.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
Then add 10 to the number to account for waste.
Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square.
A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.
However shingles are packaged in a way that they are light enough for the average person to carry around.
Be sure to add a couple of bundles for double first row and capping.
Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.
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.
3 bundles per square.
You will then have to get the measurement of the rake of the roof.
To do this you need to note that one tab will be equal to 1 foot.
As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.
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.
33 square feet per bundle 100 square feet per square 4 nails per shingle.