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IGS3723 Sealant

Flexible application. Lasting performance.

Seal in consistent, proven resistance to UV rays, strong winds and temperature extremes, with IGS3723 sealant.

Available in


North America


Latin America


Europe, Middle East & Africa


India & Pakistan


Southeast Asia


Australia & New Zealand





Seal in consistent, proven resistance to UV rays, strong winds and temperature extremes, with IGS3723 sealant.

IGS3723 sealant has a high-modulus, 100% silicone formula that meets American and European industry specifications and standards. With first-rate flow characteristics, fast curing and an adjustable work life, this two-part system is suitable for both automated and manual production lines.

IGS3723 sealant is backed by world-class technical support and application-specific laboratory testing.

  • Two-part edge sealant
  • Meets global standards
  • For manual and automated lines
  • Black and grey

Exceptional durability

  • Proven, long-term resistance to extreme temperatures, UV radiation, rain, snow, and wind with negligible change in elasticity
  • Heat resistant up to 300°F (149°C)

Excellent performance

  • High modulus
  • High elongation
  • High tensile strength

Quick and easy to apply

  • Two-part system
  • Excellent adhesion to many conventional and warm edge style spacer materials
  • Fast, thorough, deep section cure to help speed up the fabrication process
  • Low-pumping viscosity and high-application rate for fast, thorough filling of edge
  • Low-sag, easy tooling sealant remains in place until fully cured
  • Adjustable work life to help fit project, climate, and unit production requirements

Proven structural capability

  • Effective as the edge sealant for insulating glass units fabricated for structural glazing applications
  • Meets EOTA ETAG002 and EN1279 standards
  • Meets ASTM E2190 standard specification for Insulating Glass Unit Performance and Evaluation
Product Video

Currently available in two standard colors. Medium Grey closely matches colors commonly used for butyl primary seals.

Medium Grey
Available Sizes

Product availability

Available as a two-part system* that contains the base (part A) and a catalyst (part B). Two catalyst options are available.

Base – IGS3723A

55 gallon (208 L) fiber or steel drum with a polyethylene liner.

Catalyst Option 1 – IGS3723B black

  • 5 gallon (19 L) plastic pail
  • 55 gallon (208 L) steel drum

Catalyst Option 2 – IGS3727B grey

5 gallon (19 L) plastic pail

*Not kit-matched to reduce material waste.

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