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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.

Basic Configuration

Type	Sliding Doors
Frame material	11 chambers UPVC profile
Frame thickness	138 mm
Thickness	2 mm
Glass	3Low-e+14Ar+3+14Ar+3Low-e(Warm Edge Spacer）
Hardware	VIG
Open Method	1 Fixed+1 Sliding
U-Factor	≤1.2w/㎡ ·k
Color	White/Black or Wood Colors(German Renolit Film)