The injection process fills the crack from top to bottom from inside to outside.
Repairing a concrete retaining wall.
In a brick and mortar retaining wall the bricks are secured together with a layer of mortar which looks like a light gray concrete.
Mortar is essentially concrete that you will mix and then use to fill the cracks in the concrete retaining wall.
Either demolish the wall.
It will adhere to the rough concrete in the crack which after it cures will be just as strong as the rest of the wall.
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.
When this occurs the homeowner has two choices.
Once that has been done you may want to start mixing your mortar check on amazon.
This mortar is typically one of the first things to show wear on a well made wall.
Unfortunately while economical these blocks are susceptible to being damaged by the elements and many of the walls built with them begin to crumble and appear dilapidated.
Use a wire brush check on amazon to brush both ends of the walls and then try a vacuum pump to suck out all debris in.
The easiest way to mix mortar is to follow the instructions on the packaging.
Fill a bucket with the mortar and then use a hand trowel to apply it.
The only way to repair foundation wall cracks successfully is by the injection process.