How many relative humidity tests should I use on each job?
For the Flooring Contractor and as part of the project documentation process, ASTM F2170 requires that 3 tests be placed in the first 1,000 square ft. and that one test is placed every 1,000 square ft. thereafter. If you are using the Rapid RH® system as a monitoring tool early in a project to determine when final acceptance testing should be performed, several Rapid RH®4.0 EX Smart Sensors can be placed throughout the floor 28 days after the pour and readings taken as often as desired.
Please watch Best Locations to place Relative Humidity Probes for more information.
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