- 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
3M Electrical B258 2.36 x 5.12 x 7.87 Inch Maroon Fire Barrier Block
Original price was: $60.02.$47.86Current price is: $47.86.
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