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90 UPVC/Vinyl Sliding Windows with integrated nail fin

Introduction：

The 90 Series American Style uPVC Sliding Windows are designed for wider openings and enhanced performance requirements. The horizontal sliding design allows smooth operation without occupying additional space, making it ideal for modern residential and renovation projects.

Built with a multi-chamber uPVC profile and internal aluminum reinforcement, this window system provides improved thermal insulation and structural strength. The integrated nail fin design supports fast installation and ensures a secure connection to the wall structure, enhancing long-term air and water tightness. Optional internal grille designs deliver a classic American look while remaining easy to maintain.

Basic Configuration

Type	Sliding 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)