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  • 3M™ Fire Barrier Block B258, 2.36 in x 5.12 in x 8 in, 12 per caseOur 3M™ Fire Barrier Block B258 is a pre-formed foam block designed for easy installation to effectively seal larger openings against smoke, toxic gas and flame. It is simple to use and helps reduce sound transmission.Lightweight cementitious firestop with excellent adhesion. Bonds to concrete, metals, wood, plastic and cable jacketing.
  • 3M™ Fire Barrier Mortar, 44 lb, Bag, 1/caseA cost-effective lightweight, cementitious firestop with variable mix ratios for use in through penetration applications. Up to 3-hour fire protection in tested and listed systems. Off-white with dark flecks, ready for mixing with potable water.Lightweight cementitious firestop with excellent adhesion. Bonds to concrete, metals, wood, plastic and cable jacketing.
  • 3M™ Fire Barrier Mortar, 5 gallon, Pail, 1/caseA cost-effective lightweight, cementitious firestop with variable mix ratios for use in through penetration applications. Up to 3-hour fire protection in tested and listed systems. Off-white with dark flecks, ready for mixing with potable water.Lightweight cementitious firestop with excellent adhesion. Bonds to concrete, metals, wood, plastic and cable jacketing.
  • 3M™ Fire Barrier Plank PK39,  39.37 in x 5.12 in x 2.36 in, 3 per caseOur 3M™ Fire Barrier Plank PK39 is a pre-formed foam plank designed for easy installation to effectively seal larger openings against smoke, toxic gas and flame. It is simple to use and helps reduce sound transmission.Lightweight cementitious firestop with excellent adhesion. Bonds to concrete, metals, wood, plastic and cable jacketing.
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