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We're almost at 3lbs MVER, so what if the rH is over 90% ?

It doesn't have to be that hard, especially with in-situ RH testing. That's one of the many reasons RH works and CaCl is dead. Wink

Because you believe in CaCl testing consider this: You may have increased atmospheric pressure in a room, perhaps as much as 5/1000th of an inch of water column. Perhaps that air is more humid than the floor slab. Now you place a test kit and seal the calcium chloride cup on the concrete. You have sealed the dish from the increased pressure and created an artificially elevated dry and arid environment around the cup. How is the test affected by the ambient conditions when it is sealed from them?

The answer is: It doesn't matter. Why? Because the test is meaningless. The results mean nothing, a low reading doesn't mean the floor is dry, a high reading doesn't mean it's wet.

Manufacturers are all finally abandoning MVER testing because it doesn't mean anything. Wagner has made RH testing easy, accurate, dependable and highly repeatable.
JD Grafton
Concrete Answers for Flooring Problems

Messages In This Thread
RE: We're almost at 3lbs MVER, so what if the rH is over 90% ? - CC Solutions - 08-17-2012, 10:51 AM

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