How To Fix Erosion Under Concrete Slab

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.

How to fix erosion under concrete slab.

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. How to fill voids under a concrete slab. There are several conventional and alternative void filling materials which can be employed to achieve a similar effect.

You can affordably repair erosion under concrete once and for all. This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas. Use a drill equipped with a masonry bit to bore. Connect a hose to a slabjacking pump then run the hose to the holes leading to the void.

Foundation erosion repair options soil stabilization. Foundation soil stabilization chemicals can be injected into loose soil to achieve better. To repair you ll need a form. Polyurethane foam void filling.

Foam jacking foundation repair. Drill at least four holes through the slab at a point that s centered on the void beneath. Shrub and tree roots excel in preventing erosion way better than grass roots.