3M B258 FIRE PROTECTION
3M B258 FIRE PROTECTION

3M B258 Fire Barrier Block 2.36 x 5.12 x 7.87 Inch Fire Protection

3M
Brand: 3M
SKU: B258
Availability: Out Of Stock
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Description

Product Description

The 3M B258 Fire Barrier Block is a pre-formed foam block designed to seal larger openings against smoke, toxic gas, and flame. This product is effective for applications requiring fire safety and sound reduction. Its straightforward design allows for easy installation in various industrial and residential settings.

  • Pre-formed foam structure for quick installation.
  • Maintains a tight seal to prevent fire and gas transmission.
  • Re-enterable and reusable, reducing waste.

Product Highlights

This fire barrier block helps protect against hazards in multiple environments. It is particularly useful in blank openings, metal pipes, and cable trays.

Product Information

Standard Information

  • Brand: 3M
  • MPN: B258
Technical Specifications
Dimensions
8 inches long, 5 inches wide, 2 inches high
Material
Foam
Fire Rating
Up to 2 hours
Specifications Met
ANSI Specified, ASTM E814/E84/E90/E413
Color
Maroon
Suitable for Use With
Conduit
Standards/Approvals
UL CS115|UL 1479/273
Applications
Blank openings, metal pipes, cables, cable trays, insulated pipes, combination penetrations

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