Compare SilverBack⢠and CleanSpace⢠as a Crawl Space Vapor Barrier by CrawlSpaceRepair.com | Friday, March 31, 2017 | CleanSpace vs SilverBack See the evidence showing the differences and similarities in the 20 mil CleanSpace and 20 Mil SilverBack crawl space vapor barriers... Crawl Space Vapor Barrier, How it Works. 20 milcleanspace20 mil SilverBackcrawl space encapsulation Read More