About.com and DoItYourself.com both offer step-by-step instructions on how to install roof shingles. About Home, which is part of About.com, provides a video tutorial along with a transcript of the steps. Do It Yourself ... More »

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Homeowners who have two layers of shingles must remove them before adding new ones, as the International Residential Code prohibits a third layer, as of 2015. Homeowners with one layer of shingles can place more over the... More »

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One bundle of shingles covers approximately 33 square feet of roof, depending on the size and weight of the shingles. Typically, it takes three bundles of standard-sized, standard-weight shingles to cover 100 square feet... More »

It typically takes three bundles of standard three-tab asphalt shingles to cover one square on a roof. Therefore, a 40-square roof would require approximately 120 bundles of shingles. A "roof square" is equal to 100 squa... More »

Roll, or rolled, roofing is material consisting of large squares of felt suffused with asphalt, used as a cheaper and labor-saving alternative to individual roof shingles. Although there are practical advantages to rolle... More »

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Purchase roof shingles at major retailers such as The Home Depot and Lowe's. Prices and availability vary by store, so check with the local store for more information. More »

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Lowe's Home Improvement Stores offer flashings, roll roofing, roof coatings, roof panels and accessories, roof seam sealers, roof shingles, roofing tools and roof underlayments. Screws, vents, nailers, and backer boards ... More »

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