There are 29 shingles in a standard bundle of three-tab roofing. Each shingle is 12 inches by 36 inches. It takes three bundles to make a square, which in roofing is 100 square feet.Continue Reading
When using roofing materials that are heavier than normal, the manufacturer bundles fewer shingles in a package to maintain a product that is easy to handle. With heavier materials, a square might consist of four or five bundles each, with fewer shingles than the normal bundle.
Owens Corning offers a metric square of shingles. Each shingle is 13 1/4 inches by 39 3/4 inches, and the square covers 99.98 square feet using 65 shingles. With the metric square, each bundle contains 22 shingles.Learn more about Carpentry
To reroof over old shingles, cover the old shingles with roofing felt, prepare the new shingles, lay the cut shingles and lay the uncut shingles. You need roofing felt, chalk, a utility knife, shingles and nails.Full Answer >
Professional roofing contractors typically provide estimates of materials needed for roofing, including the number of shingles needed. Simple geometric calculations can provide a rough estimate.Full Answer >
In order to install roofing valleys, first create nail and guide lines, then attach the left side of shingles, attach the right side of shingles, cut off the corners of the right side and seal the edges with roof cement. Place nails 6 inches away from the center of the valley during installation.Full Answer >
A bundle of asphalt roofing shingles typically weighs between 60 and 80 pounds, and a bundle of cedar shingles typically weighs between 40 and 80 pounds. Shingles are usually measured by the square, which in roofing terminology is the number of shingles needed to cover 100 square feet.Full Answer >