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Adhesives and Moisture
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05-02-2010, 08:18 AM #26
CC Solutions Concrete Moisture Evangelist *******
Status: Offline Posts:1,065 Threads:69 Joined:Dec 2009
Here's why I say that:
Years ago we had more asbestos in flooring materials, and our adhesives were much more forgiving. Under-slab vapor retarders were not as common and concrete moisture was seldom an issue. If there was a vapor retarder installed, it was probably 6 mil poly, and those poly retarders degrade over time. There was also a time when sand blotter layers were the norm, and we now know that blotter layer is a great conduit for water movement under the slab.

I have been finding the majority of slabs I test that are over 10 years old have very high moisture levels.

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








Messages In This Thread
Adhesives and Moisture - Ernesto - 02-03-2010, 01:41 PM
RE: Adhesives and Moisture - CC Solutions - 02-03-2010, 03:53 PM
RE: Adhesives and Moisture - Ernesto - 02-05-2010, 08:12 AM
RE: Adhesives and Moisture - CC Solutions - 02-05-2010, 11:56 AM
RE: Adhesives and Moisture - Ernesto - 02-17-2010, 03:32 PM
RE: Adhesives and Moisture - CC Solutions - 02-17-2010, 10:12 PM
RE: Adhesives and Moisture - Ernesto - 02-18-2010, 09:04 AM
RE: Adhesives and Moisture - CC Solutions - 02-18-2010, 09:34 AM
RE: Adhesives and Moisture - Ernesto - 02-18-2010, 03:19 PM
RE: Adhesives and Moisture - CC Solutions - 02-19-2010, 07:13 AM
RE: Adhesives and Moisture - Ernesto - 02-19-2010, 08:34 AM
RE: Adhesives and Moisture - CC Solutions - 02-19-2010, 11:07 AM
RE: Adhesives and Moisture - Ernesto - 02-19-2010, 05:31 PM
RE: Adhesives and Moisture - Ernesto - 03-08-2010, 03:11 PM
RE: Adhesives and Moisture - CC Solutions - 03-09-2010, 06:48 PM
RE: Adhesives and Moisture - Ernesto - 03-10-2010, 03:06 PM
RE: Adhesives and Moisture - CC Solutions - 03-18-2010, 06:31 PM
RE: Adhesives and Moisture - Ernesto - 03-19-2010, 06:01 PM
RE: Adhesives and Moisture - tbrown - 04-08-2010, 10:24 AM
RE: Adhesives and Moisture - CC Solutions - 04-08-2010, 08:10 PM
RE: Adhesives and Moisture - Ken Larsen CR WLS - 04-29-2010, 08:38 AM
RE: Adhesives and Moisture - CC Solutions - 04-30-2010, 09:03 AM
RE: Adhesives and Moisture - Ken Larsen CR WLS - 04-30-2010, 09:33 AM
RE: Adhesives and Moisture - CC Solutions - 05-01-2010, 09:40 AM
RE: Adhesives and Moisture - Ken Larsen CR WLS - 05-01-2010, 10:37 AM
RE: Adhesives and Moisture - CC Solutions - 05-02-2010, 08:18 AM

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