Sub-crawlspace depressurizarion Left side
Customer provided 6 MIL Vapor Barrier
Sub-crawlspace depressurization Left side before
Exposed soil crawlspace depressurization.
Sub-crawlspace depressurization system
Mechanically fastened and chemically sealed to foundation wall
Sub-crawlspace depressurization system Right side
Right side of crawlspace in middle of laying out customer provided 6 MIL vapor barrier