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13 @ 6" lay and 100 square feet per 3 bundles

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14y ago
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14y ago

Shingles I assume. Standard grade 3 bundles per 100 sq. ft. 3x9=27 Heavy duty have 4 bundles per 100 sq. ft. 4x9=36 You will need some for the starter row and the cap.

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Q: How many bundles to cover 420 sqfeet?
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236.25


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How many 19.7 by 19.7 inch tiles will cover 420 square feet?

19.7" * 19.7" = 388.09 sq inches= 388.09/144 = 2.70 sq ft approxSo to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).19.7" * 19.7" = 388.09 sq inches= 388.09/144 = 2.70 sq ft approxSo to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).19.7" * 19.7" = 388.09 sq inches= 388.09/144 = 2.70 sq ft approxSo to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).19.7" * 19.7" = 388.09 sq inches= 388.09/144 = 2.70 sq ft approxSo to cover 420 sq ft you will require 420/2.70 = 155.84 = 156 tiles.However, that is the mathematical answer and assumes that the shape is "well-behaved" and that there is no wastage (almost all offcuts are used).


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How many inches in 420 mm?

420 mm = 16.5 inches


How many feet is 420 centimeters?

420 centimeters is 13.78 feet.


How many meters are 420 feet?

420 feet = 128.016 meters.


How many times do 15 go into 420?

420 ÷ 15 = 28