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For Release: IMMEDIATELY - A Case for Two Moisture Test Methods on Concrete
Proper floor preparation is an essential requirement prior to the installation of moisture sensitive floor covering products on concrete. At the top of the floor prep list is accurate testing for both the moisture content of the concrete and the rate of moisture emissions. That's right - two separate tests.
In-Situ tests measure the relative humidity of the slab to assess the moisture contained in the concrete* that can potentially be emitted at the surface. Calcium Chloride tests, on the other hand, measure the moisture vapor actually being emitted.
While an in-situ test may provide an acceptable reading of relative humidity at 40% of the slab depth, there may be excessive emissions actually emanating from the surface. In contrast, there may be virtually no emissions while the slab may in fact contain a large amount of moisture that would be emitted once the vapor pressure conditions above the slab change. Either case could create major installation problems.
And in light of recent tests conducted on the in-situ probe method (relative humidity) at W.R. Grace under the auspices of the ASTM committee, it is even more important to conduct both tests. The in-situ test showed a discrepancy in relative humidity readings from one manufacturer to another. The ASTM effort is now to standardize probe and sleeve design to reduce these variations.
Installers and technicians who currently combine both the in-situ and calcium chloride tests will benefit from these proposed refinements to give both the installer and the customer a reduced risk of floor failure.
For more information, contact: Keith Papulski, Taylor Tools, 5045 Paris St., Denver, CO 80239. Phone: 303-371-7667, FAX: 303-371-7669.
website: www.taylortools.com
DriTac Announces: DriTac 7500 Eco-Urethane
is Green Label Plus Certified!
For immediate release: DriTac Flooring Products announces that DriTac 7500 Eco-Urethane, Premium 'Green' Wood Flooring Adhesive, is certified by the Carpet and Rug Institute (CRI) and the Green Label Plus Program for
The Loxcreen Flooring Group Introduces ProVa-Drain accessory grates
Loxcreen Flooring Group is a global leader in the design and manufacturing of Ceramic Floor trims and accessories. We are pleased to announce the addition of the high strength ProVa-Drain accessory grates to our ProVa-Drain
March 8, 2010
The Loxcreen Flooring Group announces the appointment of Mr. Gary Rossiter as the new National Sales Manager, Wholesale Distribution Division for the United States. He will be responsible for the Bengard, Loxcreen, and KinTrim brands of flooring accessories in the U.S. Gary brings to
MARK ARNOLD JOINS SURFACE SHIELDS ORLAND PARK, IL - February 1, 2010
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