FIRE BARRIER FIRE PROTECTION PRODUCTS
3M: Firestopping products designed for various applications include intumescent caulks, patties, and wrap strips that expand under the heat of fire, sealing openings and forming a rigid barrier against smoke, flame, and water; steel composite sheets for closing large openings in fire-rated walls or floors, silicone sealants for joints, construction openings, and various penetrations. (800) 328-1687.