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New ASTM Standard Qualifies Meters Used for Determining Moisture Levels of Floor Slabs


Non-destructive moisture meters are now widely used in determining moisture levels in concrete, gypsum concrete and other types of floor slabs. A new ASTM International standard qualifies the types of meter suitable for this purpose and provides guidelines for how, where and when such moisture meters are used and what limitations exist.

The new standard, ASTM F2659, Guide for Preliminary Evaluation of Comparative Moisture Condition of Concrete, Gypsum Concrete and Other Floor Slabs and Screeds Using a Non-Destructive Electronic Moisture Meter, was developed by Subcommittee F06.40 on Practices, part of ASTM International Committee F06 on Resilient Floor Coverings.

ASTM F2659 is very useful as a fast and easy preliminary standard because the user can take multiple tests, getting instant readings across the slab in a short time,” says Sean Fallon, an F06.40 member. Fallon notes that the new standard can be used by anyone who needs to be concerned with the moisture condition of a floor slab, including flooring installer, consultants and inspectors, and material manufacturers and suppliers.

The subcommittee invites all interested parties to participate in the further development of ASTM F2659.

To purchase ASTM standards, visit and search by the standard designation number, or contact ASTM Customer Relations (phone: 610-832-9585;  ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit

ASTM Committee F06 Next Meeting: Nov. 10-11, New Orleans, La.
Technical Contact: Sean Fallon, Dublin, Ireland, Phone: +011-353-1-285-1861;
ASTM Staff Contact: Stephen Mawn, Phone: 610-832-9726;
ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603;

Release #870/Oct2010


October 4, 2010

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