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  2. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    This course is designed for students who wish to pursue an interest in the life sciences. The College Board recommends successful completion of high school biology and high school chemistry [2] before commencing AP Biology, although the actual prerequisites vary from school to school and from state to state.

  3. Covering (construction) - Wikipedia

    en.wikipedia.org/wiki/Covering_(construction)

    The roof covering is the exterior part of the roof and does not contribute to the building's stability. It is designed to endure all weather conditions such as rain, snow, hail, and wind, as well as external environmental factors like marine environments and the weight of maintenance personnel.

  4. Roofing - Wikipedia

    en.wikipedia.org/wiki/Roofing

    Roofing can mean: Roofing material, used in the construction of a roof; Rooftopping, roof hacking for high risk photos; The profession of a roofer; See also.

  5. Asphalt shingle - Wikipedia

    en.wikipedia.org/wiki/Asphalt_shingle

    Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...

  6. Roof shingle - Wikipedia

    en.wikipedia.org/wiki/Roof_shingle

    A shingle roof in Zakopane, Poland. With an area of 6000 m 2 (1½ acres), it was one of the largest wooden shingle roofs in Europe. A roof’s shingles are a roof covering consisting of individual overlapping elements. These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with each successive ...

  7. Roof - Wikipedia

    en.wikipedia.org/wiki/Roof

    A roof (pl.: roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. [1]

  8. Membrane roofing - Wikipedia

    en.wikipedia.org/wiki/Membrane_roofing

    Membrane roofing is a type of roofing system for buildings, RV's, Ponds and in some cases tanks. It is used to create a watertight covering to protect the interior of a building. Membrane roofs are most commonly made from synthetic rubber, thermoplastic (PVC or similar material), or modified bitumen. Membrane roofs are most commonly used in ...

  9. Roofing slates - Wikipedia

    en.wikipedia.org/wiki/Roofing_slates

    Roofing slates. Roofing slates are roofing tiles made out of slate. The rock is split into thin sheets which are cut to the requires size before shipment. This contrasts to slabs which are milled to produce larger structural components. [1] They are the primary product of the slate industry.