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  2. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Installation is very streamlined and a rapid process. Depending on the size of the roof and the experience of the crew, it is possible to remove old shingles and apply new ones on 2-3 houses in one day. Life span varies. Use only on slanted roofs. [4] Rubber shingle, an alternative to asphalt shingle, slate, shake or tile.

  3. Asphalt shingle - Wikipedia

    en.wikipedia.org/wiki/Asphalt_shingle

    Roof orientation and ventilation can extend the service life of a roof by reducing temperatures. [13] Shingles should not be applied when temperatures are below 10 °C (50 °F), as each shingle must seal to the layer below it to form a monolithic structure. The underlying exposed asphalt must be softened by sunlight and heat to form a proper bond.

  4. Asphalt roll roofing - Wikipedia

    en.wikipedia.org/wiki/Asphalt_roll_roofing

    The shingles produced in 1939 were sufficient to cover more than 1,000,000 dwellings, assuming an average size of 10 squares per roof. In two surveys of roofing materials in 20 Eastern States, - made during 1938, the kinds of roofing materials on 20,841 dwellings along 4,038 miles of highway were tabulated.

  5. Roof - Wikipedia

    en.wikipedia.org/wiki/Roof

    The slate roof is often considered the best type of roofing. A slate roof may last 75 to 150 years, and even longer. ... To perform for the expected service life. All ...

  6. Roof cleaning - Wikipedia

    en.wikipedia.org/wiki/Roof_cleaning

    The roof cleaning of fiberglass shingles Streaking on a roof Roof cleaning being performed using a soft-wash system. Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function. [2]

  7. Flat roof - Wikipedia

    en.wikipedia.org/wiki/Flat_roof

    Enhance the life expectancy of both the roof membrane and the building's cooling equipment. Improve thermal efficiency of the roof insulation; this is because as temperature increases, the thermal conductivity of the roof's insulation also increases. Reduce the demand for electric power by as much as 10 percent on hot days.

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