This expanding, neutral cure intumescent sealant is designed to prevent the spread of fire, smoke & toxic gases. When exposed to temperatures above 300˚F, it expands to fill the voids left by collapsed materials.
- Expands at temperatures over 300°F
- Expands to 6 times original volume (at 662°F)
Meets performance requirements of ASTM E-814 (UL1479), ASTM E-84 (UL 723), UBC7-5