Fire Barrier Block, 5-1/8" W, PK12 MPN:B258
Fire Barrier Block, 5-1/8" W, PK12
Protect your commercial buildings with 3M's Fire Barrier Block, a 2-hour rated firestop solution for wall and floor through-penetrations. This easy-to-install block features a tight firestop seal and requires no special tools or cure time, allowing for quick and efficient installation. Its paintable surface also makes it easy to integrate with surrounding finishes. Suitable for medium to large openings, this fire barrier block is perfect for use in commercial applications, including offices, hospitals, and schools, where fire safety is a top priority. Its compact size and interlocking design ensure a secure fit in tight spaces.
Top product features:
- Installation Requires No Special Tools
- No Cure Time
- Tight Firestop Seal
Top product applications:
- Firestop for medium to large openings in wall through-penetrations
- Firestop for medium to large openings in floor through-penetrations
- Fire barrier for wall and floor penetrations in commercial buildings
Firestop Block, Fire Rating 2 hr, Fire Resistance Type Fitted Barrier, Firestop Type Block, Interlocking Not Applicable, Overall Height 2.36 in, Overall Length 8 in, Overall Width 5.12 in, Color Maroon, Features Installation Requires No Special Tools, No Cure Time, Primer Paint Ready: Block is Paintable with Primer, Fits Medium to Large Openings in Wall and Floor Through-Penetrations, Tight Firestop Seal, Market Commercial, Standards ASTM E814 (UL 1479), CAN/ULC-S115, Package Quantity 12
Additional Information
- Country of Origin: DE
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 16.30
- Package Width: 10.20
- Package Height: 8.70
- Package Weight: 14.65
Product info last updated on February 3, 2026 1:35am UTC
Category: Facility and Worksite Safety