Advanced Basement Systems keeps homes dry, healthy, and efficient with a full-service approach—basement waterproofing, crawl space repair, foundation stabilization, radon mitigation, and energy-saving spray foam insulation—delivered by expertly trained, courteous technicians using warrantied solutions. From reliable sump pump installs and battery backups to careful maintenance and clear answers to every question, ABS makes it simple to protect your biggest investment.
Proudly serving Chatham Township, Chatham, London, Sarnia, Windsor, and surrounding communities, this 4.
9‑star team also tackles attic and well-related moisture issues, concrete concerns, and insulation upgrades. Homeowners trust ABS for prompt diagnostics, transparent estimates, and clean job sites—and for the peace of mind that comes with proven systems that last.
Get started on your schedule with convenient online estimates and visit a location with a wheelchair accessible parking lot.
Ready to fix your basement or foundation for good? Contact Advanced Basement Systems today for a home inspection and no‑obligation estimate.



