For Crawlspace Encapsulation you will find items such as : Crawlspace Encapsulation, 20 Mil. Vapor Barrier, Vapor Seam Tape, 12 Mil. Vapor Barrier, Roller Grade Membrane, Nylon Drive Rivet. Midwest Foundation Supply sells Professional and Contractor Grade products. Whether your stopping in our location Kansas City, Missouri or shopping online, we are always here to help to get you the best product for your next foundation repair job.