Vapor Barrier installed in a Niagara Falls Crawlspace

Dorothy has a home in Niagara Falls On with a Crawlspace. Omni Basement Systems installed a vapor barrier over the exposed dirt floor. The Vapor barrier is Called Cleanspace. Cleanspace is a 20 mil thick liner that has 7 layers. One of the layers is cord going in 3 different directions so it is very strong and won't tear. Another layer is the anti-microbial so it wont' promote mold growth,