Repair Void Under Concrete Slab

Concrete slabs can develop voids from a variety of reasons ranging from sliding soil beneath the slab displaced because of a lack of proper compression to water erosion slowly washing away the soil over time.

Repair void under concrete slab.

Slabvoid is a corrugated paper carton void form that helps eliminate severe damage to a structural concrete slab by creating a space between the slab and underlying expansive soils. Voids can lead to a weakness in the slab causing dips in the surface tilting or cracks and breaks. This will support the s. How to fill voids under a concrete slab.

The photograph of cracks above were taken of shrinkage cracks in a concrete slab floor in a home built in 2006. There are several conventional and alternative void filling materials which can be. In this video aerofoam will be filling the void under a concrete slab in parachute colorado by pumping polyurethane foam underneath. This fills in the void and jacks up the slab.

Mudjacking contractors lift and stabilize sunken concrete by using a cement slurry to fill voids in the underlying soil once the gaps are filled pressure elevates and returns the concrete to a fixed level position. It is designed to support the working load of the concrete construction process then deteriorate with the absorption. This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas. There are several ways to fill material under a concrete slab and remove voids.

Founded in 2011 by jerald and ann sargent slabjack geotechnical is a full service concrete service that provides slabjacking concrete raising. Slabjacking may be something you can do yourself. The slabvoid material provides a temporary platform for the placement of liquid concrete. Voids under concrete aren t visible which is why homeowners and businesses usually don t realize they have a problem until a slab sinks or develops cracks.

Shrinkage cracks in poured concrete are easily recognizable and can be distinguished from other types of cracks that occur later in the life of a foundation wall or floor slab. Dealing with voids whether they be stable or dynamic is an important part of maintaining your concrete slabs whether they be residential commercial industrial or municipal. Holes are drilled in the concrete slab and fill is pumped in to the area where a void is suspected.