Plastic is Not the Same Thing as a Vapor Barrier
This plastic is not the same thing as a proper vapor barrier, so don't expect the same results.
Mold on the Joist
Water and organic material, like wooden joists create the perfect place for mold to grow.
Water Wicking up the Foundation Wall
Moisture from the ground is wicking up the foundation wall.
CleanSpace Liner Was Used to Cover the Earth and Foundation Walls
CleanSpace liner is a 20 mil thick liner that significantly reduces humidity in the crawl space.