How To Fill A Big Hole In Concrete Wall

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.

How to fill a big hole in concrete wall.

Apply at any depth without n. Wet the surface and apply a concrete bonding agent apply the bonding agent inside the hole with a paintbrush. Then use one of the concrete patching mix like the one from quikrete. Before attempting to fill a hole clear out loose concrete and other debris.

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. Remove loose material from the hole in the wall by probing it with the tip of a. Wait for about 10 to 15 minutes or until it gets sticky.

Use a cold chisel and hammer to make the space wider underneath the hole. Repairing the holes in a concrete wall involves undercutting the hole. The stuff expands pretty much so start at about a 50 fill and see where that gets you. You ll want to fill so the foam is more or less even with the inside of the block.

Spread a layer of patch mixture over the. 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. Mix it up to the consistency of peanut butter and fill what s left.

Apply a coat of concrete adhesive to the hole. Watco concrex vertical is specially formulated to repair damaged concrete pillars sills lintels beams render and stonework.