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90 UPVC/Vinyl Single Hung Windows with Nailing Flange

Introduction：

The 90 Series American Style uPVC Single Hung Windows combine traditional American aesthetics with upgraded profile depth for improved energy efficiency. Featuring a fixed upper sash and a vertically sliding lower sash, it offers reliable ventilation and stable sealing performance.

The reinforced multi-chamber uPVC construction enhances thermal insulation and durability, while the tilt-in lower sash allows for convenient interior cleaning. An integrated nail fin ensures accurate installation and improved weather resistance, making this window suitable for both new construction and replacement applications.

Basic Configuration

Type	Single Hung Windows
Frame material	4 chambers UPVC profile
Frame thickness	90 mm
Thickness	1.7 mm
Glass	3+16Ar+3
Hardware	VIG
Open Method	1 Fixed+1 Sliding or 1 Sliding+1 Fixed+1 Sliding
U-Factor	≤1.8w/㎡ ·k
Color	White or Wood Colors(German Renolit Film)