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Old 05-18-2010, 08:19 PM   #1
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White powder on block foundation walls.


What is the white powder on my block foundation on the inside and how do I get rid of it?

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Old 05-18-2010, 08:28 PM   #2
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White powder on block foundation walls.


Do you have a picture ?

Where are you located ?

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Old 05-18-2010, 08:32 PM   #3
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White powder on block foundation walls.


First you solve your moisture penetration into the block wall. After that is done, there are cleaners to remove the efflorescence.

Solving the moisture problem is the real question and needs a lot more information.
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