Using a masonry chisel enlarge the crack to a minimum inch width and then remove all loose material.
How to fix leak in concrete wall.
Project instructions step 1.
Seal the entire concrete wall with a waterproof masonry product.
It is important not to create v shaped edges as the hydraulic.
Mix the two part epoxy.
Paint a generous coating of this material onto the wall working the product in all directions to completely seal any pinholes.
Use a nail to align injection points.
Concrete wall crack repair in 8 steps step 1.
Injecting a urethane resin under pressure will seal and fill these voids and pockets thus stopping the leak.
A honeycomb area in a foundation is the result of improper vibration or settling of the concrete thus leaving voids and pockets in the wall.
Mix hydraulic water stop by adding.