Before installing asphalt shingles on a low-slope roof, check to make sure the slope is 2-in-12 pitch or higher. A lower pitched roof requires a different roofing material. Unless the underlying roof is in good shape, re... More »

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An important tip for installing roofing shingles is to be safe. Wear protective gear, especially nonstick boots. It is also important to have a ladder of the appropriate height and to make tools accessible without too mu... 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 »

www.reference.com Home & Garden Home Maintenance

Taking measurements of the slope, or pitch, of a roof requires two ruled levels. The measurements take the form of a ratio that shows the height increase of the roof over a given distance. More »

www.reference.com Home & Garden Home Maintenance

Moss growing on an asphalt roofing shingle is cause for concern because it can cause shingle wear and premature roof deterioration. A moss covering traps moisture, which causes increased frost damage, cracking and wear. More »

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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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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 »

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