Sealant - Self-Seal® Intumescent Silicone Firestop Red GG-266 300ML CARTRIDGE 12/CS

Self-Seal® GG-266 is a single-component, neutral cure, non-slumping intumescent silicone caulk that is designed to seal combustible service penetrations in fire-rated walls and floors When exposed to temperatures above 150°C (300°F), it will begin to expand As the combustible penetrating item 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