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A modified bitumen roofing system uses asphalt, which is a traditional waterproofing medium, modified with atatic polypropylene, synthetic rubber, styrene butadiene styrene or other agents that form a uniform matrix to e... More »

www.reference.com Home & Garden Home Maintenance Building Materials

Builders use hot tar and gravel, modified bitumen, or a rubber membrane on homes with flat roofs. Homeowners can also pick a standing seam metal roof if they have a roof pitch of at least 1/4 inch per foot. More »

www.reference.com Home & Garden Home Maintenance Building Materials

Good materials for flat roofs are traditional hot tar and gravel, modified bitumen, ethylene propylene diene monomer and PVC. A built-up roof uses tar and gravel. This is an attractive and relatively inexpensive option, ... More »

www.reference.com Home & Garden Home Maintenance Building Materials
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For the construction of the roof itself, roofing rolls made of metal or asphalt are commonly used, as are shingles made of shake wood, asphalt or rubber. Builders need additional wood and nails, including roofing nails, ... More »

www.reference.com Home & Garden Home Maintenance Building Materials

Builders use hot tar and gravel, modified bitumen, or a rubber membrane on homes with flat roofs. Homeowners can also pick a standing seam metal roof if they have a roof pitch of at least 1/4 inch per foot. More »

www.reference.com Home & Garden Home Maintenance Building Materials

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 »

www.reference.com Home & Garden Home Maintenance Building Materials

Most standard three-tab asphalt shingles cost approximately $75 to $100 per square, where each square is equal to 100 square feet of roofing materials. Three-tab asphalt shingles are among the most affordable roofing opt... More »

www.reference.com Home & Garden Home Maintenance Building Materials