Topically Applied Slab Densifiers

Spray-on Concrete Slab Densifiers, Hardeners & Moisture Cures These products, commonly referred to as "slab densifiers," are just different types of silicoid densifiers added to the concrete mix before the pour that have been on the market for over thirty years. They are finding new markets because of all the issues surrounding concrete moisture and…

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Buying Flooring Off The Internet

Weighing-In On Purchasing Flooring From Internet Retailers I understand that things change and technology gives us wonderful tools for us to gain knowledge and insight, but I would caution that it does have its limits and drawbacks. I want to share my opinion and insight on buying floor coverings from Internet retailers. Stop and ask…

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Testing Moisture in Concrete

The Layman’s Guide to Testing Moisture In Concrete

by Charles Milledge
Some days I think I spend about half of my work day answering questions about concrete moisture and test procedures.

Anhydrous Calcium Chloride Moisture Vapor Testing – The CaCl Test

ASTM – F1869-11 Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor using Anhydrous Calcium Chloride is the guide that needs to be followed to correctly set a CaCl test. Here are the boiled down basics for doing this correctly. (more…)

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