There are 3 bundles of shingles in every square. A square is 100 square feet. In 23 bundles, you would have 766 square feet approximately
Divide the square footage by the width in feet. Example: 20 sq. ft roll of material is made up of 10 linear feet by 2 feet in width. 20 square feet divided by 2 feet wide equals 10 linear feet and 2 feet wide. For linear feet ask yourself how long is it. 100 sq. ft. 1 foot wide would be 100 linear feet long.
A 10 X 10 area or 100 square feet.
LINEAL is actually an incorrect term for measurement - it refers to ancestry or heredity. The correct term is LINEAR and one (1) linear foot equals 12". To convert linear feet to square feet depends on the width you are measuring, i.e., 100 linear feet x 1 foot wide equals 100 square feet; 100 linear feet x 6" wide equals 50 square feet and so on.
A square of asphalt shingles, installed according to mfg instructions, covers 100 sq. ft.
26 shingles in a bundle of three tab asphalt shingles
3 bundles of shingles = 100 square feet 1 bundle of shingles = 33 1/3 square feet
3 square feet
A bundle of Shingles will cover roughly 33 square feet. A square of Shingles (3 Bundles) will cover 100 square feet.
Shingles are rated in pounds / 100 square feet. Typical ratings are 235# or 265#. 1 bundle of shingles covers 1/3 of 100 sq feet. 235# shingle / 3 = 78.33 lbs
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 =)
9 bundles assuming std. 3 bundle/sq. shingles
if you're using 3-tad shingles for your caps, it's generally 30-32 feet. That's based on 5 3/4" cap exposure with 21 shingles to a bundle. Some companies have smaller shingles, but more in a bundle. Owens corning have 27 with 5" exposure, giving you more length but less width.
each bundle does 33.3 sq ft.
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.
33 square feet
There are 3 bundles of shingles in every square. A square is 100 square feet. In 23 bundles, you would have 766 square feet approximately