How To Fix Flaking Concrete Wall

Vapor barriers and crawl space encapsulation.

How to fix flaking concrete wall.

Mix one part concrete resurfacer compound with seven parts water into a mixing container and. For whole wall or large area restoration mix a sanded cement called parge to cover spalls or discolorations or moisture damage. Cut a square around the spalled concrete three eighth of an inch deep using a circular saw. Clean the surface of the damaged area by removing any loose material such as dirt oil or grease and unsound or flaking concrete.

Specially formulated to restore lackluster concrete resurfacing products like rapid set newcrete available from the home depot make it quick and easy for. Pressure wash the foundation wall with a pressure washer set at 3500psi. The injection process fills the crack from top to bottom from inside to outside. Learn more about fi.

By installing a vapor barrier or encapsulating your crawl space you can keep moisture from permeating the walls of your foundation. When the spalling damage is shallower than 1 3 of the concrete s thickness the concrete usually can receive a surface repair. The only way to repair foundation wall cracks successfully is by the injection process. Clean the area well with a wire brush or low pressure steamer.

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. This will remove dirt and debris from the foundation wall. How to repair spalled concrete basement walls step 1. 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.

Picture frame the section by nailing 1 2 in. Mix one part type 1 portland cement and one part fine sand by volume. Expert advice on why spalled concrete occurs and how to fix it. Unsound or flaking concrete can be removed by using a hammer and chisel or with a masonry grinding disk and a portable drill.

Step 2 scrub and clean the surface of the repair area with a stiff bristle brush. Corroded rebar due to exposure must be cleaned at the beginning of the restoration process. Add water until the mixture is the consistency of thick paint then brush it on the damp concrete. Choose a concrete resurfacing product.

Plywood strips flat to the concrete along the control joints. Remove any loose concrete from the spalled surface. Solutions for foundation crumbling chipping flaking. See a demo on the repair process.

Use the chisel and hammer.