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SKU 7010401344
Legacy SKU 98044110017
UPC 00076308982317
Part Number PK39
Product Number PK39

3M™ Fire Barrier Plank PK39 is a pre-formed foam plank 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.

  • Pre-formed foam 1 meter (approximately 39 inches) foam plank block maintains tight firestop seal to prevent fire, smoke and toxic gas transmission
  • Fits medium to large openings in wall and floor through-penetrations
  • No cure time means faster completion
  • Block is paintable with primer
  • Installation requires no special tools
  • Can be repaired and reused as needed, saving time and labor
  • Firestop tested in accordance with ASTM E 814/UL 1479
  • Can be sealed with 3M™ Fire Barrier Rated Foam FIP 1-Step and other 3M™ fire barrier sealants (sold separately)
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On it's way to you October 10   


Minimum Order 3 Items
Order Increment 3 Items
  Multiple Application Use
  Efficient Barriers
  Fast Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Width 5.12 in 13 cm
Length 39.37 in 1 m
Shipping Dimensions
Weight 19.02 lb
Length 41.575 in
Width 7.716 in
Height 5.66 in
Color Maroon


  1. What is 3M™ Fire Barrier Plank PK39 used for?

    The 3M™ Fire Barrier Plank PK39 is designed to help prevent the spread of fire and smoke between walls or floors in commercial buildings.

  2. Is it easy to install?

    Yes, installation is very simple. Just insert the planks into gaps around pipes, cables, ducts, and other wall or floor penetrations. The planks can be cut with a standard saw if needed.

  3. How effective is it at preventing fires?

    Extremely effective – when properly installed according to the instructions, 3M™ Fire Barrier Plank PK39 can provide up to three hours of firestop protection.

  4. Does this product comply with building codes and regulations?

    Absolutely – 3M has worked closely with regulatory agencies like UL® and Intertek® to ensure that our products meet or exceed industry standards for safety and performance.

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.
Product Description

3M™ Fire Barrier Plank PK39

3M™ Fire Barrier Plank PK39 is a pre-formed foam plank that is specifically designed to provide a convenient and effective solution for sealing larger openings. This innovative product is engineered to effectively prevent the spread of smoke, toxic gas, and flame, ensuring the safety of both people and property.

With its user-friendly design, the 3M™ Fire Barrier Plank PK39 is incredibly easy to install, making it an ideal choice for various applications. Whether you need to seal openings in commercial buildings, industrial facilities, or residential properties, this foam plank offers a reliable and efficient solution.

In addition to its exceptional fire protection capabilities, the 3M™ Fire Barrier Plank PK39 also helps reduce sound transmission. This feature is particularly beneficial in environments where noise control is essential, such as hospitals, schools, and office buildings.

By choosing the 3M™ Fire Barrier Plank PK39, you can have peace of mind knowing that you are investing in a high-quality product that meets industry standards for fire safety. Its versatility, ease of installation, and sound reduction properties make it an excellent choice for any project requiring effective sealing against smoke, toxic gas, and flame.

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