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  2. How Much Does it Cost to Replace a Roof? - AOL

    www.aol.com/much-does-cost-replace-roof...

    Asphalt shingles are the cheapest roofing option for a roof replacement. Basic asphalt shingles cost between $2,000 and $4,000 for the material alone, while premium options such as copper can cost ...

  3. Asphalt shingle - Wikipedia

    en.wikipedia.org/wiki/Asphalt_shingle

    The primary reason restrictions on the use of RAS exist is the rare presence of asbestos in asphalt shingles manufactured before the early 1980s. [16] Although the lifespan of a typical asphalt shingled roof is approximately 25 years, [19] concerns remain due to the practice of layering newly installed shingles on top of old ones. [16]

  4. Asphalt roll roofing - Wikipedia

    en.wikipedia.org/wiki/Asphalt_roll_roofing

    The first asphalt shingles, mineral-surfaced, were made in 1901, and about this time slate grain less were first used as a surfacing material. Asphalt shingles did not come into general use until about 1911. During 1939, thirty-two manufacturers, representing about 95 percent of the asphalt-prepared roofing industry, produced 34,225,187 squares ...

  5. Roof shingle - Wikipedia

    en.wikipedia.org/wiki/Roof_shingle

    An asphalt shingle roof has flexible asphalt shingles as the ridge cap. Some roof shingles are non-combustible or have a better fire rating than others which influence their use, some building codes do not allow the use of shingles with less than a class-A fire rating to be used on some types of buildings. Due to increased fire hazard, wood ...

  6. Metal roof - Wikipedia

    en.wikipedia.org/wiki/Metal_roof

    The connection wires run under the ridge cap at the top of the roof. Efficiency ranges from 10–18% but costs only about $2.00–$3.00 per watt of installed capacity, compared to monocrystalline which is 17–22% efficient and costs $3.00–$3.50 per watt of installed capacity. Thin-film solar is light weight at 2.1–3.1 kg/m 2 (7–10 oz/sq ft

  7. Bituminous waterproofing - Wikipedia

    en.wikipedia.org/wiki/Bituminous_waterproofing

    The weight designations originated with organic base felt weighing 15 or 30 pounds per 100 sq. ft. (6.8 ... for a steeply raked roof of 24-year asphalt shingles. ...

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