National Western Center
Denver, Colorado
NPW Contracting contributed to the development of the National Western Center, providing specialized building envelope protection as part of the project.
Through its contract with Whiting-Turner Contracting Company, NPW installed a GCP Perm-A-Barrier air barrier system and Polyglass MapeSeal GC waterproofing to help protect the structure from moisture intrusion and support the long-term performance of the building envelope.
General Contractor: Whiting-Turner Contracting Company
Location: Denver, Colorado
Scope: Air Barrier & Waterproofing
Systems: GCP Perm-A-Barrier Air Barrier System | Polyglass MapeSeal GC Waterproofing

NPW Project Scope
- GCP Perm-A-Barrier air barrier system installation
- Polyglass MapeSeal GC waterproofing installation
- Building envelope air and moisture protection
- Work performed through NPW’s contract with Whiting-Turner Contracting Company




