Slip Stream 24/7 – Global Supply and Distribution Company providing 3M Industrial, Commercial & Safety Solutions
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SKU 7010305974
Legacy SKU 98044110009
UPC 00076308979393
Part Number FB258
Product Number FB258

3M™ Fire Barrier Block B258 is a pre-formed foam block 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 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 Mid October, 2023  

Qty

Minimum Order 12 Items
Order Increment 12 Items
  Multiple Application Use
  Efficient Barriers
  Fast Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Width 5.12 in 13 cm
Length 8 in 203.2 mm
Shipping Dimensions
Weight 14.78 lb
Length 16.535 in
Width 10.236 in
Height 8.818 in
Color Maroon

PRODUCT FAQ

  1. What is 3M™ Fire Barrier Block B258 used for?

    3M™ Fire Barrier Block B258 is designed to help prevent the spread of fire, smoke and noxious gases through penetrations in up to three-hour fire-rated concrete floor and wall assemblies.

  2. How does 3M™ Fire Barrier Block B258 work?

    The intumescent material in the block expands when exposed to high temperatures or flames, which helps prevent the spread of flames, smoke and toxic gases through penetrations.

  3. Is 3M™ Fire Barrier Block B258 easy to install?

    Yes! Simply cut it to size with a saw if needed (it can easily be shaped by hand too) and insert into openings around pipes, ducts or cables. It will expand as required depending on its surroundings.

  4. How many units are there per case of 3M™ Fire Barrier Block B258?

    Each case contains twelve blocks.

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 Block B258

3M™ Fire Barrier Block B258 is a pre-formed foam block designed for easy installation to effectively seal larger openings against smoke, toxic gas, and flame. This innovative product not only provides excellent fire protection but also helps reduce sound transmission.

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