SKU | 7010305974 |
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Legacy SKU | 98-0441-1000-9;98044 |
UPC | 00076308979393 |
Catalog Number | B258 |
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.
- TESTED AND LISTED: Up to 2-hours in accordance with ASTM E814 (UL 1479) and CAN/ULC S115
- TIGHT FIRESTOP SEAL: Pre-formed foam block maintains tight firestop seal to prevent fire, smoke and toxic gas transmission
- SUITABLE FOR MEDIUM TO LARGE APPLICATIONS: Fits medium to large openings in wall and floor through-penetrations
- NO CURE TIME: Can help complete projects more quickly
- PRIMER PAINT READY: Block is paintable with primer
- EASY INSTALLATION: Installation requires no special tools
Product Dimensions |
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Weight | 14.77979 lb |
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Length | 16.53465 in |
Width | 10.23583 in |
Height | 8.81772 in |
Color | Maroon |
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PRODUCT FAQ
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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.
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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.
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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.
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How many units are there per case of 3M™ Fire Barrier Block B258?
Each case contains twelve blocks.
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.