138 Series Ultra-Insulated Flanged uPVC / Vinyl Sliding Doors
Introduction:
The 138 Series Ultra-Insulated uPVC / Vinyl Sliding Doors are engineered as a premium, heavy-duty sliding door system for large openings. Designed to outperform standard sliding doors, it offers enhanced insulation, improved sealing, and stable operation under frequent use.
The 11-chamber uPVC profile provides outstanding thermal performance and structural strength, while premium American VIG hardware ensures smooth and reliable operation. This system is ideal for high-end North American residential projects where comfort, durability, and long-term energy efficiency are critical.