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Old 07-29-2007, 10:39 PM   #13
George K
Registered User
 
Join Date: Jan 2005
Location: Baltimore County, Maryland
Posts: 250
Before I did a thing to that slab, I'd find out how flat it was. Rule of thumb, not off by more than 1/4" in any 10' direction.

Next, I'd find out if it will absorb water with a sprinkle test. It should not bead
up and the water should soak in in maybe 10 minutes.
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