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Comprehensive water management features include a capillary break (≥ 6-mil polyethylene sheeting) at all crawlspace floors
Right – Polyethylene sheeting vapor barrier is installed and sealed to the crawlspace walls with mastic
Wrong – A poorly sealed window and window well allow bulk water to enter the crawlspace from ground that slopes toward the structure
Wrong – No polyethylene sheeting vapor barrier is installed on the crawlspace floor
Wrong – The polyethylene sheeting vapor barrier is not attached to the piers with mechanical fasteners