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3M™ Fire Block Sealant FB 136

by 3M
Original price $ 11.00 - Original price $ 11.00
Original price
$ 11.00
$ 11.00 - $ 11.00
Current price $ 11.00

Residential use only. Used as a chimney block. 


Product Information:

3M™ Fire Block Sealant FB 136, a one component, water-based, non-combustible draft, smoke and fireblocking sealant, designed to resist high temperatures and smoke passage in non-rated construction.

Key Features:

  • Easy clean up with water
  • Thixotropic (will not sag or run in vertical or overhead applications)
  • Halogen-free
  • Tack-free in approximately 15 minutes
  • Applied with standard caulking gun or trowel (high caulk rate)

  • Typical Applications:

    Typical applications include: sealing interior construction voids around wires, pipes, HVAC ducts and vents, in wood or steel framed non-rated construction. May also be used around chimney, fireplace and other framing gaps. Not for exterior use.


    Sizes Available:

    • 10 oz tube

    Data Sheet