Arizona ROC CR-8 Floor Covering

Arizona ROC CR-8 Floor Covering Examination

Subfloor Prep Moisture TestingEnglish
Exam overview

Practice 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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