- Intumescent Silicone (expands when exposed to temperatures above 150°C (300°F))
- Self-Seal GG-266 has achieved GREENGUARD GOLD Certification
- Non-sag silicone, Water-resistant before, during, and after cure
- Freeze-thaw stable, Protects your wall & floor openings
- Tested at positive pressure to simulate the pressure differentials that can occur in a fire situation