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?
It depends on the type of shingle. A traditional "three tab" shingle will cover 21 lin. ft. of ridgecap.
what is the weight of a sq of 3 tab and a sq of arutectural shingles
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 =)