NV B-6 Commercial Remodeling Practice Questions - Nevada B-6 Commercial Remodeling Contractor Examination Exam

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IBC 2012 Section 1907.1 requires a vapor retarder under an interior concrete floor slab on ground. What is the minimum polyethylene thickness and the minimum joint lap stated in that section?

6-mil polyethylene lapped not less than 6 inches 4-mil polyethylene lapped 4 inches 10-mil polyethylene lapped 2 inches 15-pound felt lapped 12 inches

Correct Answer:

6-mil polyethylene lapped not less than 6 inches

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