Repairing Cracks In Poured Concrete Basement Walls

When looking at a block wall there are several of things to watch for including horizontal cracks in the mid 1 3 area and also horizontal cracks near the bottom course of blocks.

Repairing cracks in poured concrete basement walls.

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. We used the sikafix injection repair kit to repair a crack in our basement wall. 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.

If cracks occur before the concrete is sealed this is often the material used to repair them. The injection process fills the crack from top to bottom from inside to outside. Concrete can crack over time often early on in its lifespan as it cures and shrinks. So if you find a short often vertical hairline crack in your foundation wall especially if it occurs near the seam where the forms were joined for the initial foundation pour it may be nothing to worry about.

You just need to be sure you pick the right concrete crack filler for your specific situation and type of crack you need to repair. Shrinkage cracks in poured basement walls. Horizontal cracks in a block masonry basement wall are caused by many of the same issues and forces as those of a poured in place concrete wall. Because basement floors are poured after the walls are poured the concrete where they meet doesn t always bond completely and this is a common spot for a crack to appear when the house settles.

Today as most homes have poured concrete foundations we have ways to fix foundation cracks in basement from within the basement itself in a short period of time at a very low cost. Yes concrete crack fillers do work. Polymer modified cement grout is the typical material used to fill pinholes and voids in concrete during manufacture. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair kit 60.

However the sealant will not fix any underlying structural problems you. Concrete crack sealants are specifically made to fill up and repair thin cracks up to half an inch. Among the foundation crack repair methods available external crack repair is a good solution for leaking foundation cracks in poured concrete foundations. This foundation crack repair method is known as crack injection.

Crack repair materials for concrete are often polymer modified cement grouts silicone or latex caulking or epoxies.