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  2. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

  3. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    Sealant is a substance used to block the passage of fluids through openings in materials, [ 1 ] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [ 2 ] and also serve the purposes of blocking dust, sound and heat transmission.

  4. Sealcoat - Wikipedia

    en.wikipedia.org/wiki/Sealcoat

    Sealcoat. Sealcoating, or pavement sealing, is the process of applying a protective coating to asphalt -based pavements to provide a layer of protection from the elements: water, oils, and U.V. damage. The effects of asphalt sealers have been debated. Asphalt sealing is marketed as increasing the life of the asphalt, but there is no independent ...

  5. Thread-locking fluid - Wikipedia

    en.wikipedia.org/wiki/Thread-locking_fluid

    Thread-locking fluid or threadlocker is a single-component adhesive, applied to the threads of fasteners such as screws and bolts to prevent loosening, leakage, and corrosion. Most thread-locking formulas are methacrylate -based and rely on the electrochemical activity of a metal substrate to cause polymerization of the fluid.

  6. Basement waterproofing - Wikipedia

    en.wikipedia.org/wiki/Basement_waterproofing

    However, interior sealers are good for preventing high atmospheric humidity inside the basement from absorbing into the porous masonry and causing spalling. Spalling is a condition where constant high humidity or moisture breaks down masonry surfaces, causing deterioration and shedding of the concrete surfaces.

  7. Hermetic seal - Wikipedia

    en.wikipedia.org/wiki/Hermetic_seal

    Hermetic seal. A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics.

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