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  2. Tar paper - Wikipedia

    en.wikipedia.org/wiki/Tar_paper

    Tar paper is used as a roofing underlayment with asphalt, wood, shake, and other roof shingles as a form of intermediate bituminous waterproofing.It is sold in rolls of various widths, lengths, and thicknesses – 3-foot-wide (0.91 m) rolls, 50 or 100 feet (15 or 30 m) long and "15 lb" (7 kg) and "30 lb" (14 kg) weights are common in the U.S. – often marked with chalk lines at certain ...

  3. Waterproof paper - Wikipedia

    en.wikipedia.org/wiki/Waterproof_paper

    The paper has applications for wet or damp environments, including outdoor, marine, field uses as well as printing applications for similar environments. The paper presents recycling challenges. Historically, waterproof paper was described in Scientific American in 1884.

  4. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    From the late 1990s to the 2010s, the construction industry has had technological advances in waterproofing materials, including integral waterproofing systems and more advanced membrane materials. Integral systems such as hycrete work within the matrix of a concrete structure, giving the concrete itself a waterproof quality. There are two main ...

  5. Rosin paper - Wikipedia

    en.wikipedia.org/wiki/Rosin_paper

    Rosin paper is a heavy duty felt paper.It is used in construction such as underlayment under flooring and siding.In building construction, rosin paper is used to reduce air and moisture flow through a wall or floor, create a "friction barrier" so different materials can slip by each other as they expand and contract, keep dust from working down through a floor, and minimize squeaking.

  6. JL Darling - Wikipedia

    en.wikipedia.org/wiki/JL_Darling

    JL Darling is a Tacoma, Washington business founded 1916. It is known for "Rite in the Rain" waterproof paper pads. The first paper processing formula, using zinc, white varnish and wheat flour, was patented in 1917 or 1920 by Jerry L. Darling who was originally from the Grays Harbor area.

  7. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Dampness problems are among the most frequent problems encountered in residences. DPC visible between concrete foundation and brickwork.

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