Firestop Pillows, Blocks, Plugs & Composite Sheets

This collection of 3M firestop pillows, blocks, plugs, and composite sheets provides reliable passive fire protection for commercial and industrial settings. Whether sealing cable trays, wall openings, or floor penetrations, these UL-tested firestop materials meet building code requirements for fire-rated assemblies. Choose from self-locking firestop pillows, maroon fire plugs, and CS-195+ composite sheets in various sizes to suit your installation needs. Trusted by professionals, 3M firestop products are designed for speed, durability, and compliance. Shop now for dependable firestop plugs, firestop sheets, and firestop blocks engineered to protect your property and people.