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  2. Self-healing concrete - Wikipedia

    en.wikipedia.org/wiki/Self-healing_concrete

    On the other hand, concrete may be altered to provide self-healing capabilities for cracks. There are many solutions for improving autogenous healing by adding the admixtures, such as mineral additions, crystalline admixtures, and superabsorbent polymers. [6] Further, concrete can be modified to built-in autonomous self-healing techniques.

  3. 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. In building construction sealant is sometimes synonymous with caulk (especially if ...

  4. 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.

  5. Basement waterproofing - Wikipedia

    en.wikipedia.org/wiki/Basement_waterproofing

    Epoxy crack injections are typically used for structural purposes while hydrophobic or hydrophilic polyurethane injections are used to seal cracks to prevent penetration of moisture or water. Concrete is both strong and inexpensive, making it an ideal product in construction. However, concrete is not waterproof.

  6. Self-leveling concrete - Wikipedia

    en.wikipedia.org/wiki/Self-leveling_concrete

    Self-leveling concrete was invented in 1952 by Axel Karlsson from Sweden. The first product was a combination of wood glue, fine sand and cement with additives. [1] It was called flytspackel, which directly translates to "floating putty". The term self-leveling can be traced back to a patent applied by the company Lafarge in 1997. [2]

  7. Waterstop - Wikipedia

    en.wikipedia.org/wiki/Waterstop

    Metal waterstops are delivered in coils of up to 50 m with a typical dimension of 1.0 to 1.5 mm thickness and width of 250 to 300 mm. Splices can be welded, overlapped or joined with a sealant. A subcategory of metal waterstops is coated with polymeric and/or hydrophilic materials in order to provide a higher bond to the concrete and form a ...

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