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Fire Protection Products

For more than 25 years, 3M has created innovative, easy-to-install fire protection products. Uses include: plastic or metal pipes, HVAC ducts, cables, gaps, wall tops and control joints. To view all fire stopping products beyond electrical applications, please visit www.3m.com/firestop.

Fire Protection Products

Sealants and Packing Material

Sealants and Packing Material

For new construction or retrofits requiring a versatile sealant, 3M™ Fire Barrier Sealant provides a dependable seal on metal, plastic, insulated or glass pipe, construction gaps, dynamic joints, HVAC ductwork, and insulated cable applications.

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Pillows and Putty

Pillows and Putty

During a fire, 3M™ Fire Barrier Pillow expands, completely surrounding the penetrant, stopping smoke, fire and toxic gases from spreading for the rated time period. 3M™ Moldable Putty+ is a one-part, halogen-free product designed to firestop electrical outlet boxes and a variety of through penetrations.

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Pass-Through and Cast-In Devices

Pass-Through and Cast-In Devices

3M Fire Barrier Devices offer an effective one-piece solution for the fire stopping of penetrating items through rated walls and floors. During a fire, these devices intumesce to form a seal, which help protect against the spread of fire, smoke and toxic gases.

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Collars and Wrapstrips

Collars and Wrapstrips

3M™ Fire Barrier Wraps and Collars are 100% solids, one-part, organic/inorganic, fire-resistive elastomeric strip with foil on one side and intumescent for complete, rapid sealing during a fire. They have shown stability and performance for expected life of building.

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Sheets and Mats

Sheets and Mats

Large openings can easily be sealed to prevent the spread of flames, smoke or toxic fumes in the event of a fire with 3M™ Fire Barrier Sheets. These flexible sheets and mats expand under heated conditions and seal openings by turning into a firm char.

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Miscellaneous Fire Protection Products

Miscellaneous Fire Protection Products

Includes: 3M™ Fire Barrier Mortar, 3M™ Plenum Wrap 5A, 3M™ Fire Barrier Duct Wrap 615+, and 3M™ Fire Block Foam FB-FOAM.

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