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Old 09-04-2011, 02:31 AM   #17
dwcsr
Hollister Road Co.
 
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Join Date: Apr 2005
Location: Houston
Posts: 6,134
Re: 2 post lift near shrink cracks??

If they don't water the top enough when they float it and while its drying it can get surface cracks in the top kind of like a skin that cracks, If its only goes down less than 1/2" then you most likely don't have to worry about it. If it goes 3-4 inches then you have a structural issue and I would not put a lift in without re-pouring the section under the lift area.
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