How To Fill A Big Hole In Concrete Wall

Apply at any depth without n.

How to fill a big hole in concrete wall.

After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day. 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. You ll want to fill so the foam is more or less even with the inside of the block. Wet the surface and apply a concrete bonding agent apply the bonding agent inside the hole with a paintbrush.

Then mix the mortar fill in the hole and level it to blend it in with the surrounding structure. Apply a coat of concrete adhesive to the hole. Repairing the holes in a concrete wall involves undercutting the hole. Remove loose material from the hole in the wall by probing it with the tip of a.

Watco concrex vertical is specially formulated to repair damaged concrete pillars sills lintels beams render and stonework. The stuff expands pretty much so start at about a 50 fill and see where that gets you. Before attempting to fill a hole clear out loose concrete and other debris. Mix it up to the consistency of peanut butter and fill what s left.

Use a cold chisel and hammer to make the space wider underneath the hole. Concrete takes time to cure so keep the patch moist for several days for a stronger fix. Then use one of the concrete patching mix like the one from quikrete. An ideal patch to use for both purposes is hydraulic cement which expands to fill cracks and holes as it dries.

Remove loose material with a wire brush and blow out any remaining debris. Spread a layer of patch mixture over the.