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SKU 7000059406
Legacy SKU 98040055158
UPC 00051115165986
Part Number PT4RD
Product Number PT2RD

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.

  • Cable management solution for electrical, data and communication applications
  • One-piece, round hinged metal enclosure makes installation fast and easy
  • Intumescent material and foam smoke seals provide lasting firestop protection
  • Round shape fits easily into standard hole saw, dry or wet core bit openings
  • Re-enterable for high traffic areas or blank penetrations
  • Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479)
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On it's way to you October 5   


Minimum Order 6 Items
Order Increment 6 Items
  Immense Fire Resistance
  UL Certified
  Fast Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Weight 1.648 LBS
Length 4 in 102 m
Diameter 4 in 102 mm
Shipping Dimensions
Weight 10.39 lb
Length 13.32 in
Width 9.16 in
Height 10.92 in
Color Black


  1. What is the 3M™ Fire Barrier Pass-Through Device PT4RD used for?

    The 3M™ Fire Barrier Pass-Through Device PT4RD is designed to offer dependable firestop protection with an easy and hassle-free installation process, making it ideal for cable penetrations through various types of walls.

  2. How does the PT4RD work in preventing fires from spreading?

    The device features intumescent rings that expand when exposed to heat generated by a fire. This expansion helps seal off openings where cables penetrate walls, limiting smoke and flames' travel while protecting adjacent areas within the building.

  3. Can I install this device myself without professional help?

    Yes! Anyone can quickly and easily install the 3M™ Fire Barrier Pass-Through Device PT4RD with a few simple steps. It comes with instructions that guide you through each stage of assembly and application, ensuring that you get adequate protection every time.

  4. Why should I choose the 3M brand over other options available in the market?

    The patented technology used in our product offers superior performance compared to many conventional alternatives available in today's market. With over years of expertise as leaders in manufacturing safety solutions, we stand behind our product, which has undergone rigorous testing and meets various industry standards.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Simple and Effective for Protecting Critical Equipment

3M™ 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 Applications
  • Vital telecom/data equipment
  • Cables — 750 kcmil, Cat 6, fiber optic, 300 pair No. 24 AWG copper telephone cable, thermostat
  • Plastic pipes — ccPVC, PVC, ENT, CPVC, FRPP, PVDF, ccABS, ABS, rigid non-metallic, PEX
  • Metal pipes — copper, steel, iron, flexible gas
  • Insulated — AB/PVC on copper line sets
  • Combinations — metallic, non-metallic and insulated pipes plus cables
  • Blank penetrations
Fully Tested and Approved

3M™ 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 Protection

Effective 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.

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