Quadruple Pane Windows

Four-pane insulated glass for selected high-performance window and door configurations where system capacity and project goals support it.

4 panes · 3 cavities

Gas fill: Argon or krypton depending on configuration

Three panes may use low-emissivity coatings in the published configuration.

Swisspacer Ultimate warm-edge spacer available

Published glazing-unit Ug: as low as 0.3 W/m²K*

Glazing-unit performance only. Whole-window performance depends on the complete window system, size and configuration.

Available for selected high-performance window and door configurations. Availability depends on the selected system and project.

Available glazing depends on the selected system, size and project configuration. Compatibility is confirmed with your quote.