How To Fill A Big Hole In Concrete Wall

An ideal patch to use for both purposes is hydraulic cement which expands to fill cracks and holes as it dries.

How to fill a big hole in concrete wall.

Repairing the holes in a concrete wall involves undercutting the hole. You ll want to fill so the foam is more or less even with the inside of the block. Mix it up to the consistency of peanut butter and fill what s left. Watco concrex vertical is specially formulated to repair damaged concrete pillars sills lintels beams render and stonework.

Fill the hole with the patching compound. Apply at any depth without n. After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day. Use the corner of a trowel or your finger to pack the compound into the hole making sure it is completely full.

Use a cold chisel and hammer to make the space wider underneath the hole. Wet the surface and apply a concrete bonding agent apply the bonding agent inside the hole with a paintbrush. Remove loose material with a wire brush and blow out any remaining debris. Concrete takes time to cure so keep the patch moist for several days for a stronger fix.

Wait for about 10 to 15 minutes or until it gets sticky. Before attempting to fill a hole clear out loose concrete and other debris. Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. The stuff expands pretty much so start at about a 50 fill and see where that gets you.

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.