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We have lots of effloresces in our old poured concrete basement and they are actively growing and very quick. Few weeks or few months later you will see them again after a simple clean. That means we do have serious moisture issue from the soil because of the bad poured concrete. We can see the huge differences between the original 50s’ concrete wall and the 80s’ or 70s’ addition concrete wall. One is flat and smooth with enough cement and water when it was poured; another is uneven and shows too many gravels and sand were used when it was poured. So I plan to put a layer of fine cement to fill in those small holes to reduce the moisture passages, use something like this Quikrete 50 lb. Non-Shrinking Precision Grout. Do you have any better material to recommend?

We have done two big projects started from last summer: exterior grading and French drain (not down to the foundation) to make sure surface water will have no chance to close to our foundation; interior French drain to make sure no water will come from ground. Now it's time to reduce moisture issue.​
 

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Too Short? Cut it Again!
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You might try concrete restoration products from someplace like

www.abatron.com

I've used some of their concrete products but mostly wood restoration materials. There are no doubt other companies like them out there so use the link above as a starting point.
 
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