SC Non-Structural Renovation Practice Questions - South Carolina Non-Structural Renovation Contractor Examination Exam

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Before installing a resilient or wood floor over a concrete slab on grade, which moisture check is an accepted industry method?

Visual inspection only, if the slab looks dry Relative-humidity probe testing (ASTM F2170) or a calcium-chloride test (ASTM F1869), compared with the flooring manufacturer’s limits A household oven thermometer placed on the slab for five minutes Tapping the slab with a hammer to hear if it is wet

Correct Answer:

Relative-humidity probe testing (ASTM F2170) or a calcium-chloride test (ASTM F1869), compared with the flooring manufacturer’s limits

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