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3M Electrical PK39 39.37 x 5.12 x 2.36 Inch Fire Barrier Plank

Manufacturer: 3M | Catalog # PK39 | Irby Part # 3858797

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Usually ships within 8 to 12 days
Our 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.

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