![]() Very few slabs are designed to act long term as bridges over these voids, so the slab will eventually crack and start to settle.Īfter a structure is built, the rule of thumb is that it takes about 10 years for the soil placed during construction to settle, which removes support from the floor. This settlement causes voids (air spaces) to develop under the slab foundation. ![]() ![]() If the fill material isn’t compacted or has potential to consolidate over time, it settles over time. After the utilities are run, sand, stone or dirt are spread out to level the surface. The general sequence of floating slab floor construction is to install the exterior walls first, then install any needed plumbing, electrical, HVAC or other utility lines under the slab. The most common cause of slab foundation settlement problems is improper backfill placement. CJGeo’s crews have repaired thousands of slab foundations, from single family homes to grocery stores and warehouses. Unlike overlays such as self-leveling floor treatments, polyurethane grouting addresses the cause of floor settlement to help ensure the longest lifetime repair possible. Settled concrete slab foundation or floor? CJGeo’s experienced polyurethane grouting crews are slab foundation repair experts and can raise your settled floor for a fraction of the price and almost none of the disruption associated with slab piers or replacement. ![]()
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