Efflorescence

Apr 24, 2004 2 Replies
B

I am looking to treat an efflorescence problem in a basement. I have been doing some checking on the internet and have gotten varying opinions of what will work. The most convincing company I've found is Aldon. They suggest a solvent based efflorescence remover followed by a solvent based concrete sealer. Has anyone has experience with this company, or maybe success with other products?



I was trying to look for something local (Springfield, MA area) but the local hardware/Home Depot etc don't carry this. Aldon ships out of Boston.



Any comments appreciated. Thank in advance!



Bob Zimmerman


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M

The efflorescence is from water coming through the wall. I suggest starting with a sump pump dedicated to removing water from under the floor, and/or water outside the wall, pressing in. After making sure there was positive slope away from the house. A French Drain may be called for. Efflorescence from calcium being leached from the concrete, being deposited. If I were dealing with it, I'd start with CLR or a vinegar solution. But I'm not the pro on this.

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I used a concrete sealer called "Aqua Gaurd" in Canada. I think similar products in the USA would be Xypex. It's a water based chemical solution that reacts with the elements in concrete and creates a seal inside the floor rather than on top. I'm very satisfied so far.

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