Advanced Basement Systems provides basement waterproofing, crawl space repair, radon & mitigation, concrete leveling, and foundation repair to homeowners in Southwestern Ontario. We have served Ontario since 2003 and offer custom solutions, designed to repair and upgrade your basement, crawl space, foundation or other below grade space, creating a dry, healthy home.

You can expect the highest quality work and customer service. Our expertly trained and courteous technicians only install permanent, warrantied systems to fix your basement or foundation. We serve homeowners and businesses in Chatham, London, Sarnia, Windsor and the surrounding area. Call us today for a free home inspection and no-obligation, estimate.