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Super Spacer® TriSeal™

Quanex Super Spacer® TriSeal™ is the premium choice for all your commercial insulating glass (IG) spacer needs, including silicone structural glazing. Its unique triple seal design incorporates an inner acrylic adhesive seal for immediate unit handling, a polyisobutylene primary seal for enhanced gas retention and low moisture vapor transmission, and an outer silicone seal for proven structural strength and superior durability.

The result is a solution that commercial IG manufacturers and architects alike can utilize to solve their toughest commercial glazing challenges. TriSeal can be found around the world in demanding commercial glass applications, delivering optimal thermal performance, aesthetic appeal and long-term durability.

Technical data

  • Thermoset, silicone spacer with integral desiccant
  • Low thermal conductivity
  • Unique triple-seal design
  • Inner acrylic adhesive seal for immediate unit handling
  • Customer-applied polyisobutylene primary seal
  • Customer applied structural secondary seal
  • Excellent durability for sustainable performance
  • Meets the criteria for:
    • North America ASTM E2188/ E2189/ E2190
    • European EN 1279
    • Canadian CGSB 12.8
    • French Standard CSTB for CEKAL
    • LEED® Contribution
    • Passive House phA+ certificate for Arctic climate
    • ASTM E330 (120* psf positive, 155* psf negative)


  • Improved occupancy comfort
  • Optimized energy savings
  • Substantially reduced perimeter condensation
  • Pleasing aesthetic appearance
  • Excellent UV resistance, color stability
  • Structural strength against wind and snow loads
  • Enhanced sound dampening
  • Fast spacer application for simplified production with reduced labor

IG Systems Product Literature

Mikron Product Literature

Safety Data Sheet

This page was last updated on November 17, 2022. Downloaded document versions may differ. Please check the individual documents for most current version.

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