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.
How to repair chipped concrete wall.
The only way to repair foundation wall cracks successfully is by the injection process.
Fill the holes and cracks as deeply as you can then scrape the top over with a trowel so the concrete can patch the wall together evenly.
Mist the wall with water and then apply a coat of thoroseal with a latex additive check on amazon.
Mix portland cement with clean water to the consistency of regular paint.
Unsound or flaking concrete can be removed by using a hammer and chisel or with a masonry grinding disk and a portable drill.
It s important to immediately.
Dampen the area around the crack and then trowel on the mix.
Wash the walls with an acidic solution check on amazon to neutralize the salt completely and allow to dry for a few hours.
Clean the surface of the damaged area by removing any loose material such as dirt oil or grease and unsound or flaking concrete.
Spritz the old concrete with a little water to make it damp before applying the cement paint.
To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60.
First off brush off any loose material from the basement walls.
Apply concrete to any gaps in the blocks or mortar using a shovel.
Use an epoxy injection system for basement wall crack repair we repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.
To do this you can t just spread new concrete onto the old blocks like cake frosting.
The injection process fills the crack from top to bottom from inside to outside.
It covers cracks up to 1 2 inch wide.
You won t be able to get a nice flat finish and it won t adhere very well.
In this video we show you step by step process when we patched a few broken and chipped concrete slabs this product work great on repairing broken edges cor.