Use a drill equipped with a masonry bit to bore.
How to fix erosion under concrete slab.
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.
Connect a hose to a slabjacking pump then run the hose to the holes leading to the void.
There are several conventional and alternative void filling materials which can be employed to achieve a similar effect.
Foundation erosion repair options soil stabilization.
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.
Shrub and tree roots excel in preventing erosion way better than grass roots.
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.
You can affordably repair erosion under concrete once and for all.
To repair you ll need a form.
Contact lift up concrete for a free quote.
This is a means of filling voids underneath concrete slabs by injecting pumping filler materials into the defective areas.
Polyurethane foam void filling.
With defects beneath concrete foundation slabs an effective method of repair is.
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.
Drill at least four holes through the slab at a point that s centered on the void beneath.