Replacement Product, 5400 Series Features:

• Attractive contoured frame fits with any home style.
• Dual-paned glass unit can be ordered with optional Low E glass and an Argon gas fill to maximize energy efficiency.
• Insulating glass unit is set ½” into the sash to keep edges warmer.
• Frames and sash, welded at the corners, create strong, effective units.
• Weatherseals placed at key points around each sash increase weather performance by reducing air flow.
• Standard Low E/Argon-filled insulating glass unit provides years of energy efficiency.
• The U-channel spacer system is more efficient than conventional box spacers because it reduces conduction rates.
• Contoured grids are located inside the insulating glass unit provide a smooth, easy-to-clean surface.
• Comprehensive warranty.