Sealant - Self-Seal® Intumescent Silicone Firestop FireBand 3IN 10/PK

Self-Seal® FireBand is an intumescent silicone rubber wrap strip encapsulated within a polybag and is designed to seal combustible pipe penetrations in fire-rated walls and floors The wrap strip is tightly wrapped around the combustible pipe and held in place with an adhesive strip on the bag The silicone composition exhibits excellent performance stability, and when exposed to temperatures above 300°F (150°C), it will begin to expand As the pipe softens and collapses under fire conditions, the silicone composition will rapidly intumesce to fill the void with a patented char composite that contains expanded graphite