Philadelphia's Trusted Basement Waterproofing Specialists Since 1998
Platinum Waterproofing was founded in 1998 by Bill Bowman, a structural contractor who saw too many Philadelphia-area homeowners getting sold expensive systems they didn't need — or cheap fixes that failed within a year.
We built Platinum Waterproofing on a simple principle: diagnose the real problem, install the right solution, and stand behind it with a warranty that means something. Twenty-five years later, that's still how we operate.
25+
Years in Business
4,800+
Homes Protected
500+
5-Star Reviews
4
Counties Served
What We Stand For
Honest Diagnosis
We tell you what you actually need — not what generates the biggest invoice. Our inspectors are trained to find the right solution, not the most expensive one.
Permanent Solutions
We don't do band-aids. Every system we install is designed to solve the problem permanently, backed by written warranties.
Our Own Crews
Every technician is a full-time DryShield employee — not a subcontractor. They're trained in-house and held to our quality standards on every job.
Locally Rooted
We live and work in the Philadelphia suburbs. We know the soil conditions, the housing stock, and the specific water challenges in every county we serve.
Meet the Team
The people who show up at your door are full-time Platinum Waterproofing employees — trained, background-checked, and proud of their work.

Bill Bowman
Founder & Lead Inspector
25+ years experience
Sarah Harrington
Operations Director
18 years experience
Mike Deluca
Lead Structural Engineer
20 years experience
Chris Patel
Senior Waterproofing Specialist
15 years experience
Ready to Work With Us?
Schedule your free inspection and see why thousands of Philadelphia-area homeowners trust Platinum Waterproofing.
