Foundation Authority is a basement waterproofing company based in Michigan. They specialize in foundation repair and waterproofing solutions for both residential and commercial properties throughout the Michigan areas. Their services include interior/exterior drainage systems, sump pumps, crack repairs, wall and floor sealing, window wells installation as well as crawl space encapsulation to prevent moisture and mold growth. Foundation Authority also offers free estimates to homeowners so they can get an idea of how much their project will cost before making any commitments.