Our 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.

Our 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. read less

A Better Way to Fill Large GapsWhen sealing larger cavities, use 3M™ Fire Barrier Block B258 t...150 read more

A Better Way to Fill Large GapsWhen sealing larger cavities, use 3M™ Fire Barrier Block B258 to restore the integrity of the wall with a simple "stack, seal, and done" application, without the use of special tools. The blocks are engineered to remain securely in place, eliminating traditional wire mesh reinforcements. Pre-formed blocks help technicians fill large openings quickly. The material is easy to trim on site without special tools, achieving a tight, custom fit. No cure time is required, which means installation is completed faster, and the blocks are paintable with primer for a more seamless appearance.The blocks are fully re-enterable and reusable, saving time and money, while minimizing waste. Once the opening is filled, seal around the perimeter and any penetrating items with 3M™ Fire Barrier Rated Foam FIP 1-Step or other 3M™ fire barrier sealants (sold separately).Recommended Applications Blank openings Metal pipes Cables Cable trays Insulated pipes, combination penetrationsFully Tested and Approved3M™ B258 Fire Barrier Blocks are firestop tested to the criteria of ASTM E 814/UL 1479 Standard Test Method for Fire Tests of Penetration Firestop Systems, ASTM E 84/UL 273 Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM E 90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E 413 Classification for Rating Sound Insulation.Reliable and Affordable Fire ProtectionEffective and easy to install, 3M™ Fire Barrier Block B258 are part of 3M's family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products. read less

Our 3M™ Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection. Designed to prevent the spread of fire, smoke and noxious gasses, this intumescent material comes ready to use in convenient 1/10 (2.54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested up to 4 hours.

Our 3M™ Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection. Designed to prevent the spread of fire, smoke and noxious gasses, this intumescent material comes ready to use in convenient 1/10 (2.54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested up to 4 hours. read less

Pliable, Conformable and Shapeable for Exacting CoverageFor applications requiring conformable cover...150 read more

Pliable, Conformable and Shapeable for Exacting CoverageFor applications requiring conformable coverage, these pliable 3M™ Fire Barrier Moldable Putty Pads MPP+ meet a full range of firestop needs that would be impractical with strips, wraps or rolls. Ready to use in convenient 1/10” (2.54 mm) thick pads, this firestop material is designed for excellent adhesion to most construction substrates and is non-corrosive when applied to metal – ideal for use with listed steel or plastic electrical outlet boxes. It is also safe for applications including synthetic cable jackets, making it suitable for firestopping cable bundles. It won’t crumble or dry out, exhibits excellent aging properties and is re-enterable to save time and money after installation. And the pads are extremely simple and cost-effective to install: technicians mold the material by hand directly onto the substrate without mixing or tools. For larger applications, self-adhering pads can be molded together.Recommended Applications Protection of membrane penetrations for listed metallic and non-metallic electrical boxes Wall opening protective to meet building requirements Seal gaps between cables in multiple penetrations (including fiber optic inner duct) Insulated pipe, electrical conduit and metal pipe penetrationsFully Tested and ApprovedThe intumescent 3M™ Fire Barrier Moldable Putty Pads MPP+ are firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479). They are tested in accordance with ASTM E 119 (UL 263) up to 2 hours when installed in accordance with the UL wall-opening protective listing (UL Category CLIV), and help reduce noise transfer (STC-Rating of 52 when tested on back-to-back electrical boxes).Reliable and Affordable Fire ProtectionEffective and easy to install, 3M™ Fire Barrier Moldable Putty Pads MPP+ are part of 3M's family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products. read less

3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. We designed this plenum wrap as a strong, lightweight and flexible material for easy installation. This product is engineered to create a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels in return air plenums.

3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. We designed this plenum wrap as a strong, lightweight and flexible material for easy installation. This product is engineered to create a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels in return air plenums. read less

Easy Installation for Tough Fire ProtectionLightweight, yet strong, 3M™ Fire Barrier Plenum Wr...150 read more

Easy Installation for Tough Fire ProtectionLightweight, yet strong, 3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap. 3M designed this wrap with an inorganic fiber blanket encapsulated with a scrim-reinforced foil, creating a fire-resistive enclosure that can reduce the flame and smoke spread ratings to acceptable levels in return air plenums. This product is tested to UL 910 (NFPA 262), UL 1887, and ASTM E 84 and is made with flexible material for easy installation. We constructed this material to be a non-asbestos wrap with a 6 pcf (96 kg/m3) density.Recommended Applications3M™ Fire Barrier Plenum Wrap 5A+ is a protective covering which helps reduce the flame propagation and smoke generation of pipes and cables, including: Single and multiple 1-inch diameter (25.4 mm) and larger plastic pipe and cable bundles PVC CPVC PB PE PP PVDF ASB pipes in return air plenumsInnovative and Flexible Fire-Resistant WrapWrap and protect plastic pipes in plenum areas more easily with 3M™ Fire Barrier Plenum Wrap 5A+. Enjoy the lightweight installation and heavyweight fire protection that comes from this innovative solution. Discover the benefits from a fire-resistant wrap designed and tested to reduce external flame propagation and smoke generation. read less

Our 3M™ Fire Barrier Sealant FD 150+ is a gun-grade, latex-based, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire and exhibits excellent adhesion to a full range of construction substrates.

Our 3M™ Fire Barrier Sealant FD 150+ is a gun-grade, latex-based, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire and exhibits excellent adhesion to a full range of construction substrates. read less

Tried and Tested Fire ProtectionReady-to-use, 3M™ Fire Barrier Sealant FD 150+ is a latex-base...150 read more

Tried and Tested Fire ProtectionReady-to-use, 3M™ Fire Barrier Sealant FD 150+ is a latex-based elastomeric sealant. This gun-grade sealant cures when dispensed to form a monolithic flexible firestop seal and, when properly installed, this product provides up to 4-hour fire protection in tested and listed systems. This sealant is formulated to help prevent the spread of fire, smoke and noxious gas and firestop joints and through penetrations through floor slabs, walls and other fire-rated building partitions and assemblies. This firestop sealant offers a continuous seal with ± 19% movement capability for construction joints and typical pipe movement and exhibits excellent adhesion to a full range of construction substrates.Recommended Applications Construction joints Piping, all non-combustible and small diameter combustible CablesFire Barrier Features3M™ Fire Barrier Sealant FD 150+ acts as an acoustic barrier by minimizing noise transfer (STC-Rating of 56 when tested in a STC 56-rated wall assembly). This fire barrier sealant is designed to be water-based for easy installation, cleanup and disposal. In addition, the high-solids formula produces limited shrinkage. This halogen-free sealant is sag-resistant and has an excellent caulk rate (applied with conventional caulking equipment). It dries to the touch in 30 – 60 minutes and can be painted. In addition, this sealant has been engineered to be re-enterable and repairable.Reliable and Affordable Fire ProtectionEffective and easy to install, 3M™ Fire Barrier Sealant FD 150+ is part of 3M's family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products. read less

3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. We designed this plenum wrap as a strong, lightweight and flexible material for easy installation. This product is engineered to create a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels in return air plenums.

3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap that consists of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. We designed this plenum wrap as a strong, lightweight and flexible material for easy installation. This product is engineered to create a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels in return air plenums. read less

Easy Installation for Tough Fire ProtectionLightweight, yet strong, 3M™ Fire Barrier Plenum Wr...150 read more

Easy Installation for Tough Fire ProtectionLightweight, yet strong, 3M™ Fire Barrier Plenum Wrap 5A+ is a fire-resistant wrap. 3M designed this wrap with an inorganic fiber blanket encapsulated with a scrim-reinforced foil, creating a fire-resistive enclosure that can reduce the flame and smoke spread ratings to acceptable levels in return air plenums. This product is tested to UL 910 (NFPA 262), UL 1887, and ASTM E 84 and is made with flexible material for easy installation. We constructed this material to be a non-asbestos wrap with a 6 pcf (96 kg/m3) density.Recommended Applications3M™ Fire Barrier Plenum Wrap 5A+ is a protective covering which helps reduce the flame propagation and smoke generation of pipes and cables, including: Single and multiple 1-inch diameter (25.4 mm) and larger plastic pipe and cable bundles PVC CPVC PB PE PP PVDF ASB pipes in return air plenumsInnovative and Flexible Fire-Resistant WrapWrap and protect plastic pipes in plenum areas more easily with 3M™ Fire Barrier Plenum Wrap 5A+. Enjoy the lightweight installation and heavyweight fire protection that comes from this innovative solution. Discover the benefits from a fire-resistant wrap designed and tested to reduce external flame propagation and smoke generation. read less

Our 3M™ Fire Barrier Pass-Through Device Round are one-piece hinged metal enclosures designed to prevent the passage of fire, smoke and toxic gas. This easily-installed device is ideal for firestopping penetrations in high traffic areas where telecom, data or electrical cables are frequently added or removed. Intumescent material and foam smoke seals achieve a 3 hour fire protection rating.

Our 3M™ Fire Barrier Pass-Through Device Round are one-piece hinged metal enclosures designed to prevent the passage of fire, smoke and toxic gas. This easily-installed device is ideal for firestopping penetrations in high traffic areas where telecom, data or electrical cables are frequently added or removed. Intumescent material and foam smoke seals achieve a 3 hour fire protection rating. read less

Simple and Effective for Protecting Critical Equipment3M™ Fire Barrier Pass-Through Device Round is...150 read more

Simple and Effective for Protecting Critical Equipment3M™ Fire Barrier Pass-Through Device Round is an ideal firestop solution for through wall penetrations for cabling. This one-piece, round, hinged metal enclosure features a combination of a fixed firestopping intumescent material and foam smoke seals at each end. The re-enterable device installs quickly and easily for new construction or retrofit applications. It is built for round openings, making it easy to slide into standard holes created by hole saws, masonry dry core or concrete wet core bits. It is suitable for blank penetrations, or it hinges over existing cables. It can be secured using optional mounting brackets or firestop sealants (sold separately). When adding or removing cables in the penetration, technicians simply remove and reinstall the foam plugs instead of the entire device. This Fire Barrier Pass-Through Device is designed to provide years of dependable through-penetration firestopping with no reapplication or maintenance.Recommended ApplicationsVital telecom/data equipmentCables — 750 kcmil, Cat 6, fiber optic, 300 pair No. 24 AWG copper telephone cable, thermostatPlastic pipes — ccPVC, PVC, ENT, CPVC, FRPP, PVDF, ccABS, ABS, rigid non-metallic, PEXMetal pipes — copper, steel, iron, flexible gasInsulated — AB/PVC on copper line setsCombinations — metallic, non-metallic and insulated pipes plus cablesBlank penetrationsFully Tested and Approved3M™ Fire Barrier Pass-Through Device Round are firestop tested to the criteria of ASTM E 814/UL 1479 Standard Test Method for Fire Tests of Penetration Firestop Systems, ASTM E 84/UL 273 Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM E 90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E 413 Classification for Rating Sound Insulation.Reliable and Affordable Fire ProtectionEffective and easy to install, 3M™ Fire Barrier Pass-Through Device Round are part of 3M’s family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products. read less

Our 3M™ Fire Barrier Sealant FD 150+ is a gun-grade, latex-based, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire and exhibits excellent adhesion to a full range of construction substrates.

Our 3M™ Fire Barrier Sealant FD 150+ is a gun-grade, latex-based, elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed, this sealant helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire and exhibits excellent adhesion to a full range of construction substrates. read less

Tried and Tested Fire ProtectionReady-to-use, 3M™ Fire Barrier Sealant FD 150+ is a latex-base...150 read more

Tried and Tested Fire ProtectionReady-to-use, 3M™ Fire Barrier Sealant FD 150+ is a latex-based elastomeric sealant. This gun-grade sealant cures when dispensed to form a monolithic flexible firestop seal and, when properly installed, this product provides up to 4-hour fire protection in tested and listed systems. This sealant is formulated to help prevent the spread of fire, smoke and noxious gas and firestop joints and through penetrations through floor slabs, walls and other fire-rated building partitions and assemblies. This firestop sealant offers a continuous seal with ± 19% movement capability for construction joints and typical pipe movement and exhibits excellent adhesion to a full range of construction substrates.Recommended Applications Construction joints Piping, all non-combustible and small diameter combustible CablesFire Barrier Features3M™ Fire Barrier Sealant FD 150+ acts as an acoustic barrier by minimizing noise transfer (STC-Rating of 56 when tested in a STC 56-rated wall assembly). This fire barrier sealant is designed to be water-based for easy installation, cleanup and disposal. In addition, the high-solids formula produces limited shrinkage. This halogen-free sealant is sag-resistant and has an excellent caulk rate (applied with conventional caulking equipment). It dries to the touch in 30 – 60 minutes and can be painted. In addition, this sealant has been engineered to be re-enterable and repairable.Reliable and Affordable Fire ProtectionEffective and easy to install, 3M™ Fire Barrier Sealant FD 150+ is part of 3M's family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products. read less

3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies. We formulated this dark red, easily moldable putty stick to provide up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer.

3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies. We formulated this dark red, easily moldable putty stick to provide up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer. read less

Moldable FirestopConformable and ready-to-use, 3M™ Fire Barrier Moldable Putty Stix MP+ is a o...150 read more

Moldable FirestopConformable and ready-to-use, 3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, intumescent firestop containing a synthetic elastomer. The intumescent property of this material allows 3M™ Fire Barrier Moldable Putty Stix MP+ to expand and help maintain a firestop penetration seal for up to 4 hours. 3M designed this putty to be easily moldable by hand, conforming into required shapes. This firestop also exhibits excellent adhesion to a full range of construction substrates and penetrants. In addition, 3M™ Fire Barrier Moldable Putty Stix MP+ helps minimize sound transmission through assemblies requiring an STC rating and acts as a draft and cold smoke seal for systems with L-Ratings. This firestop putty has excellent aging properties, will not dry out or crumble and is a re-enterable and repairable solution.Recommended Applications3M™ Fire Barrier Moldable Putty Stix MP+ are typically used to seal gaps between cables in multiple penetrations and is suited for numerous firestop applications including: Cable (including fiber inner duct and cable) Insulated pipe Electrical Conduit Metal Pipe Penetration against air draft, smoke, noxious gas and flame propagationMeets Firestop Requirements3M™ Fire Barrier Moldable Putty Stix MP+ features low VOC and its halogen- and solvent-free formula is non-corrosive and safe for sensitive electrical equipment. This product is compatible with synthetic cable jackets.3M™ Fire Barrier Moldable Putty Stix MP+ firestops penetrations passing through fire-rated floor, floor/ceiling or wall assemblies and blank openings. When used in a through penetration firestop application, this firestop putty intumesces in the annular space to completely surround the penetrant, helping prevent the spread of fire, smoke and toxic gas before, during and after exposure to a fire.3M™ Fire Barrier Moldable Putty+ meets ASTM E 814 (UL 1479) requirements and STC-Rating of 52 when tested in a STC 53-Rated wall assembly. This product also meets the requirements of key life safety codes, including the International Building Code (IBC), NFPA 5000, NEC (NFPA 70), NFPA 101 and NBC (Canada) Building Codes. In addition, this firestop meets the intent of LEED® VOC guidelines.Fire Protection Formed to SpecificationsThis intumescent firestop putty is easily formed to firestop through penetrations and blank openings in fire-rated assemblies, providing a shield that helps prevent the spread of fire, smoke and toxic gas. For a conformable yet tough firestop, enjoy the excellent, protective features of 3M™ Fire Barrier Moldable Putty Stix MP+. read less