Arizona ROC CR-8 Floor Covering
Arizona ROC CR-8 Floor Covering Examination
Subfloor Prep Moisture TestingEnglish
Exam overviewPractice session
Under ASTM F2170, when performing in-situ relative humidity (RH) testing on a 6-inch thick concrete slab on grade that is drying from one side only, to what depth must the test hole be drilled?
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