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 a leaking concrete wall.
Start by removing loose material with a wire brush.
The injection process fills the crack from top to bottom from inside to outside.
Mix hydraulic water stop by adding.
Project instructions step 1.
So only use sealants in situations where the leak is a stationary problem.
The only way to repair foundation wall cracks successfully is by the injection process.
Mix the concrete with water until it reaches the consistency of thick mud.
Seal the entire concrete wall with a waterproof masonry product.
Waterproofing materials that go on like paint fill the pores in the concrete or masonry walls and prevent water from leaking in.
Check out this page for more detail on interior perimeter drain systems.
If you have very small cracks in your concrete wall use a sealant or a brush on compound that you apply to the wall like paint.
Using a masonry chisel enlarge the crack to a minimum inch width and then remove all loose material.
To be effective these coatings must be applied to bare concrete or masonry walls.
Allow the concrete to dry for 24 hours.
Seal the wall crack when properly done sealing leaking wall cracks is a permanent effective solution.
Use a trowel to smooth the concrete and feather it out over the old concrete to create a tight bond between the old and new concrete.
Paint a generous coating of this material onto the wall working the product in all directions to completely seal any pinholes.
A leaking block foundation wall is fixed from the inside by draining the block walls into a drain system installed beneath the basement floor.
It is important not to create v shaped edges as the hydraulic.
The captured water is then routed to a sump pump for evacuation to outside.
Squarely cut or undercut the edges of the crack.
Then clean off any white powdery efflorescence with masonry cleaner.
We offer the following three solutions for leaking walls and crack repair.