Concrete block


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Old 12-31-04, 05:49 PM
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Concrete block

What is the white fuzzy stuff on my foundation block?It is on most of the block around my garage. It looks like it is actually eroding the block on the outside. When you put water on it, it melts right away. What do I do about this? Any help please.......
 
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Old 12-31-04, 08:52 PM
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It probably is efflouresence. The salts are carried through the masonry construction by water moving through the wall. Solving this is: eliminating the moisture behind the wall, ventilating the space behind to wall, sealing the wall on the other side to stop the water, or some combination of these.

Hope this helps.
 
 

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