How To Repair Concrete Wall Corners

The rod will help reinforce the patch.

How to repair concrete wall corners.

Use the trowel to put a neat edge on the patch and remove material from the joint area. On a corner make sure you feather out to both sides. 1 with your masonry bit drill a hole into the center of the break into which you can insert a steel dowel called re rod. Get all loose pebbles and dirt off the step or the bonding agent won t adhere as tightly as it should.

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 injection process fills the crack from top to bottom from inside to outside. Spread the joint compound into the chipped area with a putty knife until it is level with the wall surface. Complete the repair by using a brush to smooth any existing seams and blend the repaired area into the existing concrete.

Mist the wall with water and then apply a coat of thoroseal with a latex additive check on amazon. Unsound or flaking concrete can be removed by using a hammer and chisel or with a masonry grinding disk and a portable drill. Feather the edges so that the patch blends in with the rest of the wall. The methods discussed in this article can be used to repair minor non structural cracks.

Clean the surface of the damaged area by removing any loose material such as dirt oil or grease and unsound or flaking concrete. This video will show you how to repair the damaged corners of walls both outside corners as well as inside corners. Cracks that form in a concrete wall particularly a basement wall due to settlement frost heave or ground movement can be either structural or non structural. Normal wear on wall from being brushed.

First off brush off any loose material from the basement walls. Wash the walls with an acidic solution check on amazon to neutralize the salt completely and allow to dry for a few hours.