The foam will fill up the parts of the concrete that are uneven and will raise it to the proper height.
Filling void under concrete porch.
These are often pinned to the foundation wall with rebar.
Filling hollows under a concrete floor is done through a process called slabjacking.
Because fill dirt is often used around the foundation and again because gutters are often not installed on new construction or downspouts are mis placed the fill dirt becomes saturated with water.
The void is under the concrete slab or foundation.
A typical void fill application for a residential job would be under a front entry.
If it is you will need to fill the void or the concrete will start to break apart and settle.
What s the best way to fill this gap.
After the geolift has done its magical work the last thing left to do is patching up the holes.
Filling a massive void under a back patio in columbia missouri.
Also what would be the best way to get all the animals out of there.
Another option is to find out if there is a company that can pump sand under the porch.
Step 1 drill at least four holes through the slab at a point that s centered on the void beneath.
I wouldn t want them to get stuck under there if i pour concrete.
That would not be good news at all.
One expensive option is to tear out the concrete and re pack the area with sand and then pour a new porch.
The hole is on the bottom of the porch where the grass and porch meet.
The gap is about 42 l x 3 1 4 w.