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Concrete Cork Sandwich Floor System

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Welcome JKJeremy! Pull up a chair.

The beauty of the in-situ RH probe system is that it's not bothered by topical treatments. The whole science behind RH at-depth is that it is only interested in the humidity deep within the slab.

However, when you say "stained and sealed", what with? If you sink RH probes and find high RH% and are planning some additional flooring installation, the existing sealants will need to be shot blasted off and a proper epoxy solids moisture mitigation system applied. Whatever the floor is sealed with currently may be impeding the ability of the slab to dry.

Your concrete cork sandwich sounds interesting. But if there's no vapour barrier underneath the first pour of concrete, then there's nothing stopping ongoing invasion of moisture from beneath. As JD will say when he eventually shows up here Smile "The slab has already failed a moisture test".

The standards can't really be interpreted for a two-part slab like that. You have to know the depth of the slab area to receive flooring, and test to 40%. That one has got me buggered.
The problem with socialism is that you soon run out of other people's money.
- Margaret Thatcher

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RE: Concrete Cork Sandwich Floor System - Rubensgt40 - 01-29-2013, 06:36 PM

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