Chemical Grouting Is A Type Of Foundation Repair That Fills Sunken Areas And Stabilizes Soil

Construction & Contractors Blog

While pictures of large sinkholes make for great news clips, many times sinkholes aren't quite that dramatic. A small sinkhole could develop under your house, pool, or driveway and cause the concrete to shift or sink. When the foundation of your house or your pool shifts, serious damage could result and making repairs in a timely manner is important. One method of filling in voids under a foundation and stabilizing soil is chemical grouting. This is an overview of how it works.

Chemical Grout Expands And Hardens

The magic of chemical grout is in the way it expands and then hardens. The grout is pumped into the sunken area and as soon as it enters the soil, the grout expands and lifts up the foundation. The grout then hardens into a material that can support the heavy foundation and it also adds stabilization to the soil so the soil no longer shifts and causes future foundation damage.

Expansion Is Controlled With Precision

The grout is usually pumped in through several small holes spaced in strategic locations. Pipes are placed in the holes first so the grout is routed into the soil. Since the grout can expand quickly many times its original size, control of the process is critical. This is done with the use of laser levels. The lasers monitor the movement of the foundation and determine when to stop the injection so the concrete is perfectly level.

Chemical Grout Is Ideal For Surface Voids

Chemical grout has many uses in the construction industry. It can be injected deep into the ground and it can also be used to fill surface voids. Other methods of foundation repair aren't always suitable for sunken areas limited to the top several feet of soil. Since soil shifting and water damage often occur near the foundation, chemical grouting provides a quick, safe, and efficient method of lifting concrete and filling in small sunken areas and sinkholes.

It doesn't take much soil shifting to cause major damage to your home. You may notice cracks in the basement floor or along concrete block walls. Your basement may suddenly be wet all the time or you might even notice walls bowing slightly. Other times, the signs are less obvious and include doors and windows that stick and don't open or swing freely. If you suspect your home has foundation damage, you should hire a contractor to inspect it as soon as possible. If your home needs repairs, then chemical grouting might be the best solution. Contact a company, like A-PAC Pressure Grouting Inc., for more assistance.

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