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Water seepage in basement and crawl spaces usually occurs over long periods of time and can be caused by numerous factors. Concrete is one of the most commonly used materials in home construction. When pockets of air are not removed during construction, or the mixture is not allowed to cure properly, the concrete can crack, which allows water ...
A crawl space or crawlspace is an unoccupied, unfinished, narrow space within a building, between the ground and the first (or ground) floor. The crawl space is so named because there is typically only enough room to crawl rather than stand; anything larger than about 1 to 1.5 metres (3 ft 3 in to 4 ft 11 in) and beneath the ground floor would ...
Housewrap (or house wrap), also known by the genericized trademark homewrap (or home wrap), generally denotes a modern synthetic material used to protect buildings. Housewrap functions as a weather-resistant barrier , preventing rain or other forms of moisture from getting into the wall assembly while allowing water vapor to pass to the exterior.
Moisture or water vapor moves into building cavities in three ways: 1) With air currents, 2) By diffusion through materials, 3) By heat transfer. Of these three, air movement accounts for more than 98% of all water vapor movement in building cavities.
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.
Moisture protection is a barrier, made from plastics, resins and bituminous products, to prevent the travel of water; typically used on a roof, beneath a cement slab or sidewalk, along a foundation wall, or lining a bathroom floor.
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