4
54.
26 bundles should be about right.
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If there is only one set of shingles on the roof, cover over it. If two, remove the old and then apply the new.
3 3/4 squares.
To determine how many squares of shingles are needed to cover a 648 square foot roof, you divide the total area by the size of a square of shingles. One square of shingles covers 100 square feet. Therefore, you would need 648 ÷ 100 = 6.48 squares of shingles. Since you can't purchase a fraction of a square, you would need to round up to 7 squares.
Two squares.
A call to your insurance company describing why the shingles were lost will answer your question.
general rule is 3 bundles of shingles cover an area 10 ft by 10 ft (known as a square).
3 bundles to a square and 100 sq. ft. in a square, so 3 times 16 equals 48. Depending on how much roof edge and peak add a couple bundles for starter strip and the cap.
How much area would 15 bundles of shingles cover. Standard duty shingles use 3 bundles for every 100 square feet so 15 bundles would cover 500 square feet.
To properly end ridge cap shingles on your roof, you can use specialized ridge cap shingles that are designed to cover the peak of the roof. These shingles should be installed overlapping each other and secured with roofing nails or adhesive. Make sure to follow the manufacturer's instructions for installation to ensure a proper and secure finish.