When.com Web Search

  1. Ads

    related to: cost of underlay per m2
    • Tile Flooring

      Ceramic & Porcelain Floor Tiles.

      Shop Our Beautiful Floor Tile.

    • Hardwood Flooring

      Shop Solid & Engineered Hardwood.

      See Our Collection Online.

Search results

  1. Results From The WOW.Com Content Network
  2. 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 kg or 14 kg per 9.3 m 2). However, modern base felts are made of lighter-weight fibre, so the weight designations, though common colloquially, are no longer literally accurate. [ 2 ]

  3. Gypsum concrete - Wikipedia

    en.wikipedia.org/wiki/Gypsum_concrete

    Gypsum concrete is lightweight and fire-resistant. A 1.5-inch slab of gypsum concrete weighs 13 pounds per square foot versus 18 pounds per square foot for regular concrete. [10] Even though gypsum concrete weighs less, it still has the same compressive strength as regular concrete, based on its application as underlayment or top coat flooring ...

  4. 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.

  5. 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

  6. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    Vapor barrier location by geographical location. Moisture or water vapor moves into building cavities in three ways: 1) With air currents, 2) By diffusion through materials, 3) By heat transfer.

  7. 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.