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  2. A-Jacks - Wikipedia

    en.wikipedia.org/wiki/A-Jacks

    A-Jacks are a commercially made concrete product used in both open channel and coastal applications. They consist of two concrete T-shaped pieces joined perpendicularly at the middle, forming six legs. [1] They are a product owned and patented worldwide by Poseidon Alliance Ltd.

  3. Caulk - Wikipedia

    en.wikipedia.org/wiki/Caulk

    Caulk (also known as caulking and calking) [1] is a material used to seal joints or seams against leakage in various structures and piping. The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped seams between boards on wooden boats or ships. Cast iron sewerage pipes were formerly caulked in a similar way.

  4. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    Integral damp proofing in concrete involves adding materials to the concrete mix to make the concrete itself impermeable. [ 4 ] Surface suppressant coating with thin water proof materials such as epoxy resin for resistance to non-pressurized moisture such as rain water or a coating of cement sprayed on such as shotcrete which can resist water ...

  5. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...

  6. Concrete sealer - Wikipedia

    en.wikipedia.org/wiki/Concrete_sealer

    Concrete sealers are applied to concrete to protect it from surface damage, corrosion, and staining. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials from passing.

  7. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    Self-leveling silicone firestop system used around pipe through-penetration in a two-hour fire-resistance rated concrete floor assembly.. Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal.

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