Del-Val Basement Waterproofing

Del-Val Basement Waterproofing is a woman-owned company in Plymouth Meeting serving Montgomery County and the Delaware Valley. It handles interior and exterior waterproofing, foundation repair for bowing walls, cracks and settling, crawl space encapsulation, mold remediation, and exterior drainage such as French drains. Sump pump options include hydro-powered siphon pumps and battery backups, and the crew works on footed, stone wall and non-footed foundations, with underpinning for homes that lack footings. Customer reviews on its pages praise clear explanations and fair treatment, including one for a replaced foundation wall and redone French drain. Waterproofing work carries a lifetime transferable warranty, and inspections and estimates are free. Rated 4.7 from 72 Google reviews, 67 of them five stars and 4 one star.