3M Fire Barrier Moldable Putty Stix MP+, Red, 1.45 in x 6 in, 12/case

• Excellent adhesion and aging properties provide a long-term performance
• Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) & CAN/ULC S115
• Helps reduce noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly)
• Low VOC, halogen-free and solvent-free formula for safe working environment with minimal odor
• Noncorrosive to metal and compatible with synthetic cable jackets
• Pliable and conformable design easily molds into required shapes
• Putty provides draft and cold smoke seal
• Will not dry out or crumble for a re-enterable and repairable solution

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. Formulated dark red, this easily moldable putty stick provides up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer.

Moldable Firestop
Conformable and ready-to-use, our 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. We 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 Applications
3M™ 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 propagation

Meets Firestop Requirements
3M™ 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 Specifications
This 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 our 3M™ Fire Barrier Moldable Putty Stix MP+.

Trusted Brand And Model

The 3M Fire Barrier Moldable Putty Stix MP+ offers reliable fire protection with a trusted brand name. This model is designed for easy use and long-lasting performance, making it a dependable choice for firestop needs.

Known for its quality, the MP+ grade putty stix provide excellent adhesion and aging properties. This ensures the firestop remains effective over time, maintaining safety in various applications.

Effective Fire Protection

This putty stix deliver up to 4 hours of fire resistance, tested to ASTM E 814 (UL 1479) and CAN/ULC S115 standards. The intumescent formula expands to seal penetrations, helping to prevent fire, smoke, and toxic gas spread.

Its red color and moldable design allow it to conform easily to openings, ensuring a tight seal. This makes it ideal for fire-rated floor, ceiling, and wall assemblies where safety is critical.

Convenient Size And Format

Each putty stix measures 1.45 inches by 6 inches, providing a manageable size for precise application. The format allows users to mold the putty by hand, adapting to various shapes and gaps.

Sold in cases of 12, this pack count supports multiple projects or larger jobs. The stick format also ensures the product stays pliable and ready to use without drying out or crumbling.

Sound And Smoke Control

Beyond fire protection, these putty stix help reduce noise transfer with an STC rating of 56 in tested wall assemblies. This adds value by improving acoustic performance in buildings.

They also provide a draft and cold smoke seal, enhancing indoor air quality and safety. This makes the product suitable for applications requiring both fire and smoke barriers.

Safe And Compatible Formula

The low VOC, halogen-free, and solvent-free formula ensures a safe working environment with minimal odor. This noncorrosive putty is compatible with synthetic cable jackets and metal surfaces.

Its pliable and conformable design allows easy molding around cables, pipes, and conduits. This compatibility supports a wide range of firestop applications, including cable penetrations and insulated pipes.