Selected Answers

From Michael Quaranta of OPERATIONS 40 on January 10, 2015:
I think the question is relative to vertical concr ...read more I think the question is relative to vertical concrete, and not too many people deal with this vertical test phenomenon. ASTM F1869 has its own problems dealing with horizontal concrete, and most of the meters are in the same boat. Note the referenced link ends in "flooring," and there is no installation to my knowledge for vertical flooring for a protective lining. The question might be rewrittten to separate the three elements (vertical, below grade, protective lining) and then seek some opinions while describing the make-up of the concrete vertical wall (?).

From Chuck Pease of MMI Tank on January 2, 2015:
A better indicator and touted as giving faster res ...read more A better indicator and touted as giving faster results is utilizing <i>in situ</i> Rh meters per ASTM F2170-11. See this link for more information on this method: http://www.wagnermeters.com/flooring-moisture-meters/concrete-moisture/.

From Denis Pazio of LiRo Engineers on December 30, 2014:
One common moisture test for this application is A ...read more One common moisture test for this application is ASTM F1869-11, Anhydrous Calcium Chloride.