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Thread: How long before you should add a finish to concrete floor in lanai?
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Old 07-29-2015, 07:24 AM
Jima64 Jima64 is offline
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Quote:
Originally Posted by mulligan View Post
Concrete takes 28 days to cure 100% It is a specific chemical reaction when the portland cement is hydrated ( mixed with water). It doesn't matter whether you pour a patio slab, or dump it in the lake. 28 days later it is 100 % cured.
The portland cement google results say it gains most of it's strngth the first seven days.