A common cause of basement water coming through poured wall foundation is from water coming through a crack in the wall. Unfortunately, almost every wall in every basement has a crack in it...yes all four walls. The good news is not every crack will leak. If your basement is already finished and your carpet is getting wet first check to make sure your sump pump is operating properly.
If it is not water will enter the basement through the cove joint, which is where the wall and floor meet. If your pump is working properly then the next most common cause of basement water is the water seeping through a crack or cracks in the wall. The common places to find cracks are in the middle of long walls or underneath windows. If the basement is finished evidence of the crack can be found on the outside top of the foundation. Finding it outside will reduce how much drywall will have to be removed on the inside.
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The best way to fix concrete wall cracks is to inject them with polyurethane, epoxy works also but it is much harder to inject. Contrary to what you will read in some places on the internet crack injection works. A number of professional waterproofers will claim the only way to fix cracks is to dig them up on the outside or to place interior draintile all along the inside. Consider the source, any contractor who does not believe in crack injection is motivated bigger sales. Digging up cracks or placing draintile costs between 00-000.
A crack can be injected by a professional for 0 or done by the homeowner for 0. Always consider the source when looking at professional advice. I am not suggesting draintile is not necessary. On the contrary, many times it is but only when evidence suggests that water is coming in from numerous places in a basement not just a crack.
Concrete Crack Repair
For additional information on waterproofing contact us at (630) 771-0380 or to purchase DIY solutions see us at thebasementoasis.com.
Dan Ryan
Professional Waterproofer and Owner The Basement Oasis
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