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  2. Basement waterproofing - Wikipedia

    en.wikipedia.org/wiki/Basement_waterproofing

    The Federal Emergency Management Agency (FEMA) recommends basement waterproofing with a water alarm and "battery-operated backup pump" as a preventive measure against the high cost of flooding. [2] Wall conduits (such as dimple boards or other membranes) are fastened to the foundation wall and extend over the new drainage to guide any moisture ...

  3. Water damage - Wikipedia

    en.wikipedia.org/wiki/Water_damage

    According to the Environmental Protection Agency, 13.7% of all water used in the home today can be attributed to plumbing leaks. [2] On average that is approximately 10,000 gallons of water per year wasted by leaks for each US home. A tiny, 1/8-inch crack in a pipe can release up to 250 gallons of water a day. [3]

  4. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    2 FeS 2 + 7.5 O 2 + 4 H 2 O → Fe 2 O 3 + 4 H 2 SO 4. The sulfuric acid released by pyrite oxidation then reacts with portlandite (Ca(OH 2)) present in the hardened cement paste to give gypsum: H 2 SO 4 + Ca(OH) 2 → CaSO 4 · 2H 2 O. When concrete is carbonated by atmospheric carbon dioxide (CO 2), or if limestone aggregates are used in ...

  5. Raw Sewage in Your Apartment: Repairs Your Landlord Can't Ignore

    www.aol.com/news/2013-01-22-raw-sewage-landlord...

    "My bathroom is just full of everybody's feces. The tub, filled with feces. There's mildew, mold coming down the wall," Shepherd said. Shepherd (pictured below) lives in the apartment with her ...

  6. This breakthrough gel could help save homes during wildfire ...

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  7. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    Masonry walls are built with a damp-proof course to prevent rising damp, and the concrete in foundations needs to be damp-proofed or waterproofed with a liquid coating, basement waterproofing membrane (even under the concrete slab floor where polyethylene sheeting is commonly used), or an additive to the concrete.

  8. Alkali–silica reaction - Wikipedia

    en.wikipedia.org/wiki/Alkali–silica_reaction

    2. As long as the alkali gel (Na 2 SiO 3) has not yet reacted with Ca 2+ ions released from portlandite dissolution, it remains fluid and can easily exude from broken aggregates or through open cracks in the damage concrete structure. This can lead to visible yellow viscous liquid exudations (amber liquid droplets) at the surface of affected ...

  9. Shallow foundation - Wikipedia

    en.wikipedia.org/wiki/Shallow_foundation

    Elevated structural slabs are generally only found on custom homes or homes with basements. Copper piping, commonly used to carry natural gas and water, reacts with concrete over a long period, slowly degrading until the pipe fails. This can lead to what is commonly referred to as slab leaks. These occur when pipes begin to leak from within the ...

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