3M Fire Barrier Pillows FB249, Small, 2 in x 4 in x 9 Inch, 24/Case

• Excellent aging properties for long-lasting durability and performance
• Expands to form a hard char that tightly seals against flame spread, smoke and toxic gases
• Firestop tested for up to 3 hours of protection in accordance with ASTM E 814 (UL 1479)
• Graphite-free composition does not conduct electricity
• No wire mesh required and easy to install, inspect, remove and reuse as needed
• Re-enterable and re-useable for new or retrofit installations

3M Fire Barrier Pillows are self-contained, intumescent products designed for use in through-penetration firestops, providing up to 3 hours of protection. This fire barrier pillow expands to form a hard char that tightly seals against flame spread, smoke and toxic gases. Pillows are also engineered to be re-enterable and re-useable for new or retrofit installations.

Designed for Fire Protection and Prevention
Offering up to 3 hours of protection, 3M™ Fire Barrier Pillows are self-contained, intumescent products designed for use in through-penetration firestops, such as cable trays, conduit and blank openings. During a fire, 3M™ Fire Barrier Pillows intumesce (expand) and lock themselves into place, surrounding the penetrant(s) to help prevent the spread of smoke, fire and toxic gases. These fire pillows are easy to install and do not require mesh wire. They are ideal for projects requiring re-enterability of a firestop system, simply remove and replace pillows as needed. We designed this product with graphite-free composition, which does not conduct electricity. Additionally, these fire protection pillows have excellent aging properties, providing long-lasting durability and performance.

Recommended Applications
3M™ Fire Barrier Pillows achieve fire resistance for up to 3 hours and are used for through-penetration firestop applications such as:

• Cable trays
• Conduit openings
• Blank openings

Top-Quality Fire Stop
3M™ Fire Barrier Pillows are a part of our comprehensive line of top-quality fire stop and fire prevention products. 3M has proven to be a leader in fire protection products, which are used around the world to help protect people, equipment and buildings. Using science and innovation, we help limit the devastating effects of fire with products like 3M™ Fire Barrier Pillows. Enjoy the confidence and security that comes from a product that has exceptional and proven fire protection performance.

Trusted 3M Fire Barrier

The 3M Fire Barrier Pillows FB249 offer reliable fire protection designed by 3M, a leader in fire safety products. This model, FB249, ensures confidence with proven performance in firestop applications.

These pillows are self-contained and intumescent, expanding to seal openings tightly. Their design supports long-lasting durability and effective fire prevention for various installations.

Compact Small Size

Each pillow measures 2 in x 4 in x 9 Inch, making them ideal for tight spaces and precise firestop needs. This small size allows easy placement in cable trays, conduit openings, and blank openings.

The compact dimensions help create a secure seal around penetrants, preventing the spread of smoke, flame, and toxic gases during a fire event.

Easy Installation Format

These fire barrier pillows come in a convenient pack of 24 per case, simplifying project planning and inventory management. The format supports quick installation and replacement as needed.

No wire mesh is required, which reduces installation time and complexity. The pillows are also re-enterable and reusable, making them practical for retrofit or new installations.

Effective Fire Protection

3M Fire Barrier Pillows FB249 provide up to 3 hours of fire resistance, tested to ASTM E 814 (UL 1479) standards. This level of protection helps safeguard buildings and equipment from fire damage.

The pillows expand to form a hard char that tightly seals against flame spread, smoke, and toxic gases, enhancing safety in critical firestop applications.

Safe Graphite-Free Composition

The FB249 pillows feature a graphite-free composition, which means they do not conduct electricity. This makes them safer for use around electrical cables and conduits.

Along with excellent aging properties, this composition ensures long-lasting performance and reduces risks associated with electrical conductivity in firestop systems.