3M™ Fire Barrier Silicone Sealant 2000+ is an elastomeric, ready-to-use, single-component, neutral-cure silicone sealant that cures upon exposure to atmospheric humidity. We designed this sealant to form a flexible firestop seal that also acts as a barrier to airborne sound transmission. This produc

3M 7100139278 3M FIRE BARRIER SILICONE SEALANT 2000+ IS AN ELASTOMERIC READY-TO-USE SINGLE-COMPONENT NEUTRAL-CURE SILICONE SEALANT THAT CURES UPON EXPOSURE TO ATMOSPHERIC HUMIDITY. WE DESIGNED THIS SEALANT TO FORM A FLEXIBLE FIRESTOP SEAL THAT ALSO ACTS AS A BARRIER TO AIRBORNE SOUND TRANSMISSION. THIS PRODUCT IS FIRESTOP TESTED UP TO 3 HOURS IN ACCORDANCE WITH ASTM E 814 (UL 1479) AND CAN/ULC S115.