33 square feet
30 by 40 = 1200 sq.ft. divide by 10 = 12 square 3tab and arch shingles are 3 bundle per square 12 sq. x 3 bundles = 36 bundles 3tab = 26 shingle per bundle arch = 22 shingle per bundle 36 bundle x 26 = 936 3tab shingles 36 bundle x 22 = 792 arch shingles =)
Roughly 33 square feet. Three bundles make a square ( 100 sq. ft. )
A square usually refers to shingles or siding and it's the amount that covers 100 square feet (or a 10' x 10' area).3 bundles of shingles cover a square1 bundle of shingles covers a 4' x 8' sheet of plywoodSiding has a certain number of "square" per box
The number of bundles of shingles needed for 360 square feet depends on the coverage area of each bundle. Typically, one bundle of shingles covers approximately 33.3 square feet. Therefore, to cover 360 square feet, you would need about 11 bundles of shingles (360 ÷ 33.3 ≈ 10.8). It's always advisable to purchase an extra bundle or two to account for waste and repairs.
To determine how many bundles of shingles are needed to cover 800 square feet, you first need to know the coverage area of a single bundle. Typically, one bundle of shingles covers about 33.3 square feet. Therefore, to cover 800 square feet, you would divide 800 by 33.3, which equals approximately 24 bundles. It's advisable to purchase a few extra bundles to account for waste and any mistakes during installation.
Depends is the shingles are 3 bundle or 4 bundle to a Square (100 sq ft.) This information can be found on the shingle wrapper. To determine how many bundle of shingles you need measure the width and length of your roof to the nearest foot. Use this formula to determine area Length x width= area . For example: one side for your roof from peak to eve measures 17' and from rake to rake measures 50' . 17 x 50= 850 since there are two sides of a roof multiply by 2 = 1700 Sq. foot. Now divide by 100 since there are 100 sq foot in one Square. =17 square. Now multiply the number of Square by the number of bundles required to cover one Square 17 x 3 = 51 bundle of shingle. Other tips, one bundle of 3-tab shingles will cover about 25 lineal feet when used for cap.
There are 21 shingles to a bundle and 3 bundles covers a 10 by 10 ft area. a basic rule is a bundle covers a sheet of plywood, then add some for valleys.
Prices vary widely depending upon your area Best bet is to get a few local quotes
There are 100 square feet. A "square" of any building material will cover a 10'x10' area. Don't mistake a bundle of shingles for a square, there are 3-1/3 bundles in a square. The coverage will actually vary. 3 1/3 bundles may be standard for a 3 tab asphalt shingle but other styles and materials will vary.
One square of shingles covers an area equivalent to a 10 foot square, or 100 square feet.
That depends on the size of the shingles. ************************************************************** Size of shingles makes no difference. Shingles are sold by the bundle and the amount of bundles per square depends on the weight of the shingles. So you could have 3 bundles, 4 bundles or 5 bundles per square but they still add up to a (100 sq ft) square. The only difference would be if you are dealing with metric shingles, which is not going to make a big difference in the area covered. A square of shingles covers 100 sq ft. So for a 672 sq ft roof you will need 7 squares. Dave
27 squares is equivalent to 2700 square feet. Measure square area by multiplying length by width of your entire roof. Add all the areas together for total square feet. Take the square feet and divide by 100 to get squares. 3 bundles of shingles to make one square with 5 inches of exposure on the shingles. For every 33 feet of ridge you will need one bundle of three tab shingles. Each bundle of shingles has 27 shingles so that is 81 single tabs at approximately 5 inches each, 405 inches of run or 33.75 linear feet. At current shingle prices near $21 per bundle that will cost you about $1700 just in shingles. #15 roll of felt is 4 squares at about $20 per roll. One box of coil nails will usually cover 18-20 squares. Any other calculations and you are on your own.