How To Repair Flaking Concrete Wall

Clean the surface of the damaged area by removing any loose material such as dirt oil or grease and unsound or flaking concrete.

How to repair flaking concrete wall.

Smooth and let dry according to the manufacturer s directions. Picture frame the section by nailing 1 2 in. Mix one part type 1 portland cement and one part fine sand by volume. Moisture is to blame for the flaking concrete.

Mix a batch of concrete in a large bucket. Add water until the mixture is the consistency of thick paint then brush it on the damp concrete. Apply a patching compound 6 the home depot with a putty knife as needed. Allow 24 hours drying time before moving on.

Use a drill with a paddle bit to mix the concrete. Spalling tends to be most common in cold climates when de icing chemicals are applied or. Spalling concrete can look like round or oval depressions along surfaces or joints. This occurs because of freezing and thawing of water around your foundation or by frequent high pressure washing or sandblasting.

Apply a scratch coat to deep or ragged spalls rather than laying on a finish coat of varying thickness. Step 3 fill in any large holes or imperfections with the compound and then level the compound flat with the surface of the foundation wall with the trowel. If the wall is badly damaged set a steel screen in the scratch coat to provide a solid base. Plywood strips flat to the concrete along the control joints.

Step 2 scrub and clean the surface of the repair area with a stiff bristle brush. Any damage should be fixed before you repaint. Specially formulated to restore lackluster concrete resurfacing products like rapid set newcrete available from the home depot make it quick and easy for. Water plays the largest and most dangerous role in this crumbling and chipping.

It s not uncommon for concrete contractors and builders to receive calls from customers asking why their concrete is flaking and pitted and how the problem can be solved. Use a permeable concrete that allows the concrete to breathe and prevent further spalling from trapped water. The concrete should be mixed thickly enough to not sag when placed onto the vertical surface of the wall. Unsound or flaking concrete can be removed by using a hammer and chisel or with a masonry grinding disk and a portable drill.

I agree with the engineer who looked at a picture of your foundation walls. Mix one part concrete resurfacer compound with seven parts water into a mixing container and mix it into paste with your drill and paddle mixer. Foundation crumbling chipping flaking. Sometimes the masonry and concrete around your home deteriorates also known as spalling.

Once the peeling paint is removed you might be left with cracks or holes in the wall.