Demgy Pacific Roof Overlay
- Tacoma, WA
- TPO roof overlay
- Manufacturing facility
A weathered, ponding-prone membrane over a busy precision-manufacturing plant — recovered with a single-ply TPO overlay that resealed the building and boosted reflectivity, with zero production downtime.
Drag to see before & after
Same roof, same vantage point. Pull the handle across — or pick a different angle below.
About this project
Washington Weather Shield completed a TPO roof overlay for Demgy Pacific, a precision manufacturer of high-performance plastics and composite components in Tacoma, Washington. The existing roof included 6 inches of rigid insulation and an aging torch-down membrane, making an overlay the most efficient, low-disruption solution. We installed Mirafi underlayment, mechanically fastened a new GAF TPO membrane, removed the torch-down on parapet walls, and installed new TPO up and over the walls, finishing with painted 24-gauge standing-seam parapet flashings for long-term weather protection. This project highlights a service we perform frequently—cost-effective TPO overlays that extend roof life, minimize tear-off expenses, and deliver reliable performance for property managers and owners seeking smart, streamlined upgrades.
Could an overlay save your roof — and your budget?
We’ll climb it, photograph it, and tell you straight whether a retrofit makes sense — usually within 48 hours.