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Super Spacer® Premium Plus

As the ultimate insulating glass (IG) spacer choice for residential and light commercial IG units, Super Spacer® Premium Plus from Quanex continues to deliver the high performance trusted by the industry for decades.

Extruded as a high-quality, silicone warm-edge spacer with integrally incorporated desiccant, Super Spacer Premium Plus features a flexible matrix that works together with a vapor barrier and secondary sealant to keep moisture out and argon gas in. It offers a narrow, 1/4″ sightline for high-quality aesthetics.

Super Spacer technology revolutionized IG performance more than 30 years ago and continues to lead the industry in a wide variety of critical applications. Super Spacer can help take your units to the next level.

Technical data

  • Low conductivity
  • Pressure-sensitive acrylic adhesive
  • Multi-layer vapor barrier
  • High desiccant content
  • High-quality silicone
  • Superior silicone foam insulation

Certified to:

  • North America ASTM E2188/E2189/E2190
  • European EN 1279
  • Canadian CGSB 12.8
  • French Standard CSTB for CEKAL


  • Low thermal conductivity
  • Substantially reduced perimeter condensation
  • Excellent UV resistance and temperature performance
  • Superior argon gas retention
  • Enhanced environmental comfort
  • Excellent durability for sustainable performance

IG Systems Product Literature

Safety Data Sheet

This page was last updated on July 10, 2023. Downloaded document versions may differ. Please check the individual documents for most current version.

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