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105 UPVC/Vinyl Grill Design Single Hung Windows

Introduction：

The 105 Series High-Performance uPVC Single Hung Windows combine classic American window styling with upgraded thermal performance for energy-efficient homes. Featuring a fixed upper sash and a vertically sliding lower sash, it provides controlled ventilation and reliable sealing.

The deeper, multi-chamber uPVC profile improves insulation efficiency, achieving a U-value below 1.2 to help reduce energy loss. Designed with an integrated nail fin, the window allows fast installation and a secure connection to the building envelope, making it ideal for new construction and high-standard residential projects across North America.

Basic Configuration

Type	Single Hung Windows
Frame material	6 chambers UPVC profile
Frame thickness	105 mm
Thickness	1.8 mm
Glass	3Low-E + 12Ar+ 3Clear Glass + 12Ar + 3Low-E(Warm Edge Spacer)
Hardware	VIG
Open Method	1 Fixed+1 Sliding or 1 Sliding+1 Fixed+1 Sliding
U-Factor	≤1.2w/㎡ ·k
Color	White or Wood Colors(German Renolit Film)