Repair Pitted Concrete Wall

Follow the resurfacer manufacturer s.

Repair pitted concrete wall.

It s because the idea of repairing it on your own seems intimidating. The cut should be at least 3 8 in. If the damage is greater than 1 3 of the depth steel bars may need to be installed and a full depth restoration may be required. The injection process fills the crack from top to bottom from inside to outside.

The key to a lasting repair is to make a saw cut around the perimeter of the damaged area cutting back to solid concrete. The truth is repairing your garage floor isn t very difficult and you only need some. Most repairs that fail do so because the patch is too thin at the edges and breaks off. Prepare larger pits and cracks by using a chisel to chip away at the bottom of the pits.

Use a permeable concrete that allows the concrete to breathe and prevent further spalling from trapped water. Pour the mix into a puddle on the slab and immediately spread it photo 7. Spalling is the mason s term for concrete that s pitted or chipped as in photo 1. The reason people hold off their fancy garage floor projects isn t because of some concrete spalling or pitting.

Mix a batch of concrete in a large bucket. This will ensure a long lasting repair as concrete shrinks and expands as it cures and over time. Mix exterior grade cement based concrete pitting and spalling resurfacer with water in a wheelbarrow or large bucket depending on the size of the porch. Use a drill with a paddle bit to mix the concrete.

Let s talk about how to repair pitted concrete garage floor. In a bucket tub or wheelbarrow combine the resurfacer with water in the ratio recommended by the manufacturer. Mix and apply the resurfacer. The concrete should be mixed thickly enough to not sag when placed onto the vertical surface of the wall.

The wall needs to be moist so that the old concrete won t leach moisture out of the mortar that you apply and cause the repair to fail. When the spalling damage is shallower than 1 3 of the concrete s thickness the concrete usually can receive a surface repair. Saturate the concrete with water and then use a broom to push out any puddles from the pitted areas or low spots. Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside.

The only way to repair foundation wall cracks successfully is by the injection process. Apply small amounts of water over a short period until it has absorbed water deep into the wall. You want the bottom of the holes to be slightly wider than the top.