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When to Test
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12-16-2009, 11:45 AM #3
CC Solutions Concrete Moisture Evangelist *******
Status: Offline Posts:1,065 Threads:69 Joined:Dec 2009
A byproduct of burning hydrocarbon fuels is moisture, so an improperly vented heating system can add moisture to the slab. However if fresh air is used for combustion this is usually not the case.

I tell people to begin testing slabs as soon as they can! I have installed RH probes in slabs and sealed the top with duct tape to keep water out of the probe when windows were still missing.

ATSM 2170 does have parameters to follow before RH tests are to be accepted as 'gospel' but the information gathered from early testing still has great value. Trending a slab's moisture content can help identify problems long before they become emergencies.

I'd rather tell a general that he needs to shot blast and bring in a dehumidifier system 3 months before he needs to put floor coverings down, than try to tell him that a week before he needs to start.....

JD Grafton
Concrete Answers for Flooring Problems

Messages In This Thread
When to Test - CFI - 11-22-2009, 11:36 AM
RE: When to Test - Ben - 11-24-2009, 12:23 PM
RE: When to Test - CC Solutions - 12-16-2009, 11:45 AM

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