Narroline® double-hung window conversion kits are designed specifically to retrofit existing Narroline® windows (1968 and newer), turning them into easy-to-clean tilt-wash double-hung windows with High-Performance™ Low-E4® glass. 

Conversion Kits Easy Upgrade

• Components include new sash, balancers, jamb liners, hardware
• Tilt-wash feature allows you to clean both sides of the glass from inside your home
• Existing frame and trim are unaffected, so there’s minimal disruption to the home Increased

Energy Efficiency

• High-Performance Low-E4 glass® comes standard and is 45% more energy efficient than ordinary dual-pane glass in winter and 56% more energy efficient in summer*
• Exclusive compressible jamb liner provides a reliable seal between sash and frame