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.