Calculus Foundation Repair & Waterproofing

Calculus Foundation Repair & Waterproofing works from Gratiot Avenue in Eastpointe and has served Metro Detroit and beyond since 1980. Owner Rich Piccirilli works in the field, and the company says it has repaired over 5,000 residential and commercial properties. Services include helical pier installation for sinking and settling homes, bowing wall repair with steel I-beams, carbon fiber straps or wall anchors, polyurethane crack injection, interior and exterior basement waterproofing and crawlspace encapsulation. Free inspections and estimates are offered, and most evaluations take only 15 to 30 minutes. A lifetime warranty at no added cost covers basement waterproofing, foundation repair, helical pier installation and crawlspace encapsulation. Service areas include Warren and Sterling Heights. Rated 5.0 from 436 Google reviews, 430 of them five stars.