A two aspect shut mobile foam is Employed in all crawl space purposes which provides a moisture barrier on any area in which the foam is used. Want drainage (slope and trench) and pump pit for crawl space of the 1337 sq ft property. Task Area Info on the web https://waylonqaiqz.wikicorrespondence.com/4978568/not_known_details_about_crawl_space_repair_hanover