How To Fix Erosion Under Concrete Slab

How to fill voids under a concrete slab.

How to fix erosion under concrete slab. Foundation soil stabilization chemicals can be injected into loose soil to achieve better. Contact lift up concrete for a free quote. Drill at least four holes through the slab at a point that s centered on the void beneath. Polyurethane foam void filling.

Shrub and tree roots excel in preventing erosion way better than grass roots. Connect a hose to a slabjacking pump then run the hose to the holes leading to the void. With slabjacking a stable grout mixture is injected beneath the surface filling the voids and reestablishing the strength your slab needs to last for ages. 1 855 752 2522 uses an expanding polymer foam injected under the concrete that fills voids and if necessary raises you re settled concrete back to the proper grade.

This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas. Foam jacking foundation repair. Use a drill equipped with a masonry bit to bore. Concrete is a very heavy material in addition to being unable to generate any upward pressure on the slab the added burden on the soil often speeds settling.

Bury an aluminum flashing or redwood or other suitable material a couple of inches deep and about an inch from the concrete edge allowing it to extend above the bottom edge of the concrete approximately an inch. To repair you ll need a form. Foundation erosion repair options soil stabilization.