Watco concrex vertical is specially formulated to repair damaged concrete pillars sills lintels beams render and stonework.
How to fill a big hole in concrete wall.
Apply at any depth without n.
Remove loose material with a wire brush and blow out any remaining debris.
The stuff expands pretty much so start at about a 50 fill and see where that gets you.
The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete.
Use the corner of a trowel or your finger to pack the compound into the hole making sure it is completely full.
Concrete takes time to cure so keep the patch moist for several days for a stronger fix.
Mix it up to the consistency of peanut butter and fill what s left.
Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure.
Remove loose material from the hole in the wall by probing it with the tip of a.
Then use one of the concrete patching mix like the one from quikrete.
Use a cold chisel and hammer to make the space wider underneath the hole.
Fill the hole with the patching compound.
Apply a coat of concrete adhesive to the hole.
Wet the surface and apply a concrete bonding agent apply the bonding agent inside the hole with a paintbrush.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
An ideal patch to use for both purposes is hydraulic cement which expands to fill cracks and holes as it dries.
Wait for about 10 to 15 minutes or until it gets sticky.
Repairing the holes in a concrete wall involves undercutting the hole.