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One part, high-strength, neutral cure structural sealant, specially designed and tested for glazed curtain wall applications, where glass lights are attached to a metal framing system using a structural sealant.

Can also be used as a weatherseal in glass-to-glass butt joints.

Important information:

Structural glazing applications require that GE Silicones give written approval of the use of UltraGlaze SSG4000 sealant for each building project.

Health and safety:

Contains solvents.

General information
Specification data
Product Reference

Ultraglaze SSG 4000

Standard product features

Technical data:

  • Joint Movement Capability: ± 25%.
  • Cure time at 21°C with 50% relative humidity: 5–7 days.
  • Full adhesion: 14–21 days.
  • UV resistance: Excellent.
  • Tack free time: 2.5–4 hours.
  • Shore A hardness: 45.


  • Black.