GREAT STUFF Fireblock Insulating Foam Sealant - 12 oz.

GREAT STUFF™ Fire block Insulating Foam Sealant can save much more than energy costs. By sealing up pipe, cable and duct penetrations with GREAT STUFF™ Fire block, you minimize airflow. During a fire, that means flames, harmful gasses and toxic smoke cannot spread as quickly, and in an emergency, that could make all the difference. The fact that it helps you conserve energy, reduce drafts and save on heating and cooling costs is just an added bonus.