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  2. Bituminous waterproofing - Wikipedia

    en.wikipedia.org/wiki/Bituminous_waterproofing

    Heavier material is typically used for underlayment of longer-lived roof materials in order to match their longer life span, and on less sloped roofs, which are more susceptible to leaking. For example, two layers of No. 30 felt might be used under a slate or tile roof, whereas a single layer of No. 15 might be adequate for a steeply raked roof ...

  3. 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.

  4. Roof tiles - Wikipedia

    en.wikipedia.org/wiki/Roof_tiles

    As a result of this, high-quality clay and slate tiles have a proven lifespan of over 100 years, whereas synthetic and concrete tiles usually have a practical lifespan of 30–50 years. [ 67 ] [ 68 ] [ 69 ] In the case of synthetic plastic tiles, this is purely an estimation since the oldest products on the market date to around 2000. [ 60 ]

  5. Covering (construction) - Wikipedia

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

    DTU 40.22 Canal Clay Tile Roofing; DTU 40.23 Flat Clay Tile Roofs; DTU 40.24 Concrete Tile Roofing with Sliding and Longitudinal Interlocking; DTU 40.241 Concrete Flat Tile Roofing with Sliding and Longitudinal Interlocking; DTU 40.25 Concrete Flat Tile Roofing; DTU 40.35 Ribbed Sheet Roofing from Coated Steel Sheets; DTU 40.36 Pre-painted or ...

  6. Underlay - Wikipedia

    en.wikipedia.org/wiki/Underlay

    Underlay is also the term for the material under roofing tiles; [1] this roofing membrane is often made of rubber and is used to seal the roof and prevent leakage. Underlayment used with roofing shingles provides a second layer of water proofing to prevent leaks and is called tar paper, roofing felt, or since the 1990s synthetic underlayment ...

  7. Underlayment - Wikipedia

    en.wikipedia.org/wiki/Underlayment

    Underlayment may refer to: Underlay, a material placed underneath floor carpet, other flooring materials, or mattress bedding; Underlayment, a water-resistant or waterproof layer used beneath many types of commercially available roofing material. Bituminous waterproofing, systems designed to protect residential and commercial buildings

  8. Roof shingle - Wikipedia

    en.wikipedia.org/wiki/Roof_shingle

    Many shingle installations benefit from being placed on top of an underlayment material such as asphalt felt paper to prevent leaks even from wind driven rain and snow and ice dams in cold climates. At the ridge the shingles on one side of the roof simply extend past the ridge or there is a ridge cap consisting of boards, copper, or lead ...

  9. Cement board - Wikipedia

    en.wikipedia.org/wiki/Cement_board

    This 5 ⁄ 16 inch (7.9 mm) thick cement board is designed as an underlayment for tile floors. These are 3-by-5-foot (91 by 152 cm) sheets. These are 3-by-5-foot (91 by 152 cm) sheets. A cement board is a combination of cement and reinforcing fibers formed into sheets, of varying thickness that are typically used as a tile backing board. [ 1 ]

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