How To Repair A Leaky Concrete Wall

How to fix poured concrete foundation leaks from inside leaks in poured concrete foundations the most common type of foundation constructed since the late 1970s are normally repaired from inside using pressurized crack injection because it is inexpensive and completed within a couple of hours at any time of the year.

How to repair a leaky concrete wall.

Click for more information. Seal the entire concrete wall with a waterproof masonry. When properly done sealing leaking wall cracks is a permanent effective solution. We offer the following three solutions for leaking walls and crack repair.

Mix hydraulic water stop by adding about 4 to 4 1 2 parts water stop cement to 1 part clean water. 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. Check out this page for more detail on interior perimeter drain systems.

The only way to repair foundation wall cracks successfully is by the injection process. So only use sealants in situations where the leak is a stationary problem. A leaking block foundation wall is fixed from the inside by draining the block walls into a drain system installed beneath the basement floor. Step 4 use a margin trowel to thoroughly mix the material to a heavy putty consistency making sure that the mix is uniform and lump free.

Concrete is a porous material when fully cured. The trick to this is to find a solution that will not peel off the wall or fail as the wall naturally expands and shrinks over time. If a concrete crack is moving the crack can also split open the sealant. 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.