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RH Testing Lighweight Concrete
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12-16-2009, 12:05 PM #5
CC Solutions Concrete Moisture Evangelist *******
Status: Offline Posts:1,065 Threads:69 Joined:Dec 2009
Lightweight is scary! The aggregate is very porous and as such holds a great amount of water. Drying time for lightweight concrete can be 300% longer than standard concrete. I'd figure 3 months per inch of thickness and go from there.

I had a job that was on 11" of lightweight and I had MVER readings of 3lbs - 4lbs, with RH readings of 96%. The floor failed after the first year (that's when I was called in) and we ended up coating the floor with a Moisture Mitigation System.

JD Grafton
Concrete Answers for Flooring Problems
JGrafton@ccsolves.com








Messages In This Thread
RH Testing Lighweight Concrete - JDJR - 09-21-2009, 05:59 AM
RE: RH Testing Lighweight Concrete - Ben - 09-22-2009, 03:42 PM
RE: RH Testing Lighweight Concrete - Ernesto - 09-24-2009, 04:10 PM
RE: RH Testing Lighweight Concrete - JDJR - 09-28-2009, 05:24 AM
RE: RH Testing Lighweight Concrete - CC Solutions - 12-16-2009, 12:05 PM

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