Klein Basement Systems is a responsible basement waterproofing and crawl space repair company. We specialize in Basement Waterproofing, Concrete Waterproofing, Foundation Waterproofing, and Interior Basement Waterproofing in Erie, Crawford, and Warren Counties in Pennsylvania, and the Chautauqua area of Western New York. We offer exclusive, patented and award-winning products to custom design a permanent and cost-effective solution for your wet basement and crawl space problems.