We’re the Foundation & Waterproofing Specialists! With over 40’ years' experience, Calculus Foundation Systems, Inc. has been dedicated to providing commercial & residential customers in Southeast MI and surrounding areas with professional and quality repair services: Bowing, Cracked or Sinking Foundation Repairs Carbon Fibers Concrete Replacement Floor Supports Foundation Settlement Moisture Control Plumbing Leaks Retaining Walls Repaired Sump Pumps Steel Wall Braces Waterproofing Basements Waterproofing Crawlspaces Don't hesitate to call when you first notice any water or foundation damage to your home. We use the highest quality products and the most up-to-date tools, techniques and technology available to rescue homes, apartments, condominiums, stores and historic buildings from being ruined by natural forces. Licensed & Insured | Dealer Certification | Patented Systems