Quanex’s Super Spacer warm-edge technology is used in energy-efficient window designs in residential and commercial applications. Super Spacer is a premium energy-efficient and sustainable solution for high-volume production of dual- and triple-pane insulating glass. A true dual-seal warm-edge spacer line, Super Spacer products use a high-performance acrylic adhesive for their structural seal, backed by a moisture vapor seal. Super Spacer offers energy efficiency, sustainability, and has demonstrated proof of performance, reliability and thermal excellence, say officials.