Filling Void Under Concrete Porch

Filling hollows under a concrete floor is done through a process called slabjacking.

Filling void under concrete porch.

A typical void fill application for a residential job would be under a front entry. What s the best way to fill this gap. Filling the voids is a matter of accessing the void through the slab and then using a pump to place a concrete based fill material into the open space. That would not be good news at all.

Another option is to find out if there is a company that can pump sand under the porch. These are often pinned to the foundation wall with rebar. I wouldn t want them to get stuck under there if i pour concrete. The hole is on the bottom of the porch where the grass and porch meet.

After the geolift has done its magical work the last thing left to do is patching up the holes. Step 1 drill at least four holes through the slab at a point that s centered on the void beneath. The foam will fill up the parts of the concrete that are uneven and will raise it to the proper height. 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.

Also what would be the best way to get all the animals out of there. Slabjacking is used to prevent everything from porch floors to patios and basement floors from shifting. If it is you will need to fill the void or the concrete will start to break apart and settle. Filling a massive void under a back patio in columbia missouri.

One expensive option is to tear out the concrete and re pack the area with sand and then pour a new porch.