How To Fill A Big Hole In Concrete Wall

Spread a layer of patch mixture over the.

How to fill a big hole in concrete wall.

Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. You ll want to fill so the foam is more or less even with the inside of the block. 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. Apply a coat of concrete adhesive to the hole. Remove loose material from the hole in the wall by probing it with the tip of a.

Apply at any depth without n. An ideal patch to use for both purposes is hydraulic cement which expands to fill cracks and holes as it dries. Use the corner of a trowel or your finger to pack the compound into the hole making sure it is completely full. Then use one of the concrete patching mix like the one from quikrete.

After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day. Mix it up to the consistency of peanut butter and fill what s left. Before attempting to fill a hole clear out loose concrete and other debris. Watco concrex vertical is specially formulated to repair damaged concrete pillars sills lintels beams render and stonework.

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.