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Old 12-12-2007, 10:51 AM   #56
NONHOG
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Join Date: Feb 2007
Location: Marana, Arizona
Posts: 3,416
Re: Digging Holes For Shop Today!

Quote:
Originally Posted by space_cowboy View Post
The fiber is only for reinforcement, like wire mesh. Make sure they add a vapor barrier and make dern sure they cut your expansion joints THE SAME DAY. They should be 1/4 of the thickness deep and spaced appropriately (based on thickness as well). I can't tell you how many times I've had to inspect failed concrete due to a lack of expansion joints.
Are you a county inspector ? I hear from differant sources that the slab can curl and/or crack if it cures only out the top (w/barrier)
I wonder how often that happens ? And would expansion joints help the cure
process ?

Quote:
Originally Posted by oldiron View Post
I had 6 inches of 5/8 minus and 6 inches of sand and the water comes up like a fountion. Put it down at all cost. Pit run doesn't stop a thing.
My house is down under road level , which can't help !

Quote:
Originally Posted by Sillyoldman View Post
Thats comming along good. Looks good too. What day did you get the snow? I didn't see any this weekend.
Sunday came and went within 4-5 hours.
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