21
It would depend on the type of shingle you choose, 15yr., 20yr., 30yr.,40yr. The higher the year wear the heavier the shingle
16-22 depending on the brand.
Either 25 sq ft if is is a 4 bundle per square shingle or 33.3 sq ft if it is 3 bundle per square shingle. A square is equal to 100 sq ft.
A bundle of shingles weigh ~ 80lbs, so it depends if you are using 3-tab or architectual shingles. There are usually 22 shingles in a bundle of arch. and 26 in a bundle of 3-tab. Doing the division and arch shingle weighs ~3.63 lbs and a 3-tab weighs ~3.08lbs. The weight will very depending on the brand and style of shingle as well... Hope that helps you...
26 shingles in a bundle of three tab asphalt shingles
Depends on the shingle. Is it a 25 year or fifty year. Asphalt or fiberglass?
what is the weight of a sq of 3 tab and a sq of arutectural shingles
It depends on the type of shingle. A traditional "three tab" shingle will cover 21 lin. ft. of ridgecap.
You need 18 squares, which is 54 bundles.
Around 25 to 30 per bundle. Which equals 75 to 90 per square.
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 =)