Weeping tile is a porous plastic drain pipe installed around the perimeter of the house. When gutters are clogged or downspouts are broken, rainwater is absorbed by the soil near the foundation, increasing hydrostatic pressure. Gutters and downspouts are used to catch rain water as it falls and to discharge it away from houses and buildings. When footings are too narrow or are not laid deep enough, they are susceptible to movement caused by soil erosion. When pockets of air are not removed, or the mixture is not allowed to cure properly, the concrete can crack, which allows water to force its way through the wall.įoundations (footings) are horizontal pads that define the perimeter of foundation walls. Water seepage in basement and crawl spaces usually occurs over long periods of time and can be caused by numerous factors.Ĭoncrete is one of the most commonly used materials in home construction. Several measures exist to prevent water from penetrating a basement foundation or to divert water that has penetrated a foundation:įoundation crack injections Causes of water seepage and leaks This hydrostatic pressure can force water in through cracks, which can cause major structural damage as well as mold, decay, and other moisture-related problems. Water in the soil causes hydrostatic pressure to be exerted underneath basement floors and walls. Waterproofing and drainage considerations are especially important in cases where ground water is likely to build up in the soil or where there is a high water table. Waterproofing is usually required by building codes for structures that are built at or below ground level. Waterproofing a basement that is below ground level can require the application of sealant materials, the installation of drains and sump pumps, and more Purpose Basement waterproofing involves techniques and materials used to prevent water from penetrating the basement of a house or a building.
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