Filling Large Voids In Concrete

Geo polymer void filling is the best method we currently have for void filling but it cannot affect deeper layers of un compacted fill so you are left with supporting and densifying through polymer injection.

Filling large voids in concrete.

Connect a hose to a slabjacking pump then run the hose to the holes leading to the void. Cheng pro formula acrylic slurry is ideal for quickly and easily filling both small and large voids that appear after polishing or after releasing concrete from the mold. How to fill voids under a concrete slab. This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas.

Careful preparation and methodical practices can eliminate even the worst of surface voids. While many variables must be considered in the elimination of surface voids or bug holes in concrete castings there are a number of precautions that can remedy this unsightly problem. After the geolift has done its magical work the last thing left to do is patching up the holes. Wetting the edges with a modified thinset slurry.

How to eliminate voids in a concrete casting. Undercutting around the perimeter to expose the edges of the actual slab. Patch up the holes with concrete and your new driveway or sidewalk or walkway will look good as new. Continue this process filling the crack and repair area.

The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete. Immediate replacement of settled concrete or concrete with voids is not a good choice as settling is not yet complete. Use a drill equipped. After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.

How to fill voids under a concrete slab step 1. With a gel like consistency this fast acting slurry can also be used to fill voids and make repairs on vertical surfaces. Filling the large void with 3 4 roadcrush and tamping it in with a plate tamper to bring the grade up to the underside of the slab. Drilling in 10mm rebar in a 12 x 12 grid and tieing.

A slabjacking pump is. It may become necessary to use a finishing trowel and apply pressure to fill some of the voids. Drill at least four holes through the slab at a point that s centered on the void beneath.