The pitch of the roof is the rise over a 12 inch run.
Roof shingle coverage bundle.
Roof pitch area multipliers.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
Before placing shingles on a roof roofers determine the total area to be covered and divide by 100 the area of a square to determine the total number of bundles needed to complete the job.
There are 29 standard shingles in a bundle.
A square of shingles is the quantity needed to cover 100 sq.
Per bundle 26.
Shop this collection 112 18 89 roll.
The number of square feet in a bundle is printed on the paper or plastic packaging that covers the bundle.
For example a 4 12 pitch roof that is 100 square feet.
How shingle quantities are measured.
Ft roofing starter shingle roll.
100 1 054 105 4ft 2.
If it s a re roof project and you have access to the original paperwork from the last shingle installation that may be useful in showing the roof area.
Shingles are packaged in paper or plastic wrapped bundles designed to be light enough for a person to carry so heavier shingles require more bundles per square.
Roof shingles are sold by both the bundle and by the square.
One bundle of shingles covers approximately 33 square feet of roof depending on the size and weight of the shingles.
Marquis weathermax autumn brown 3 tab roofing shingles 33 3 sq.
Each plywood sheet is 4 x 8 feet or 32 square feet which coincidentally is almost exactly equivalent to the coverage of one bundle of traditional three tab shingles.
Get free shipping on qualified roof shingles or buy online pick up in store today in the building materials department.