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| How long do you want it to last? For those loads I won't stand behind it unless you stay off
it for 28 days. If you're in a big yank 21 days would be the absolute minimum. Concrete is a big
expense but most guys treat it like an after thought. I am never suprised when we drive past
a job and see semis, 4wds, and large equipment on our 7-10 day old slab. If you don't
mind the cracks drive on it tomorrow, if you want it to last and look good as long as it should
follow your concrete guys reccomendation, or 21-28 days. For the "I waited untill the last minute and
need to drive on this in 7 days" jobs we pour a 7 sack high early mix. About $10 more per yard but holds up to the abuse.
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2013-08-31 16.35.36.jpg (31KB - 694 downloads)
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How long to let concrete cure?
