3M™ Fire Barrier Electrical Box Inserts
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Details
Highlights
- Protection of membrane penetrations for listed metallic boxes
- Tested in accordance with ASTM E814 (UL 1479) (Certified as a Wall Opening Protective Material, UL Category CLIV)
- STC rating of 62 when tested in a STC 62 rated wall assembly
- Flexible
- Convenient slits for access to wiring
- Great for new construction and retro fit applications
- Full adhesive backing for easy installation
3M™ Fire Barrier Electrical Box Inserts are a flexible, one-piece fire-rated intumescent insert used to protect electrical boxes by adhering to the inside the box. When exposed to fire, the insert expands to fill up the box preventing the spread of fire and limiting temperature rise.
Typical Properties
| Brands | 3M™ |
| Fire Rating | Up to 2 hours |
| Industries | Construction |
| Product Colour | Red |
| Product Type | Electrical Box Insert |
| Water-tight | No |
| Overall Length (Imperial) | 3.25 in, 3.75 in |
| Overall Length (Metric) | 82.55 mm, 95.25 mm |
| Overall Thickness (Imperial) | 0 in |
| Overall Thickness (Metric) | 4.762 mm |
| Overall Width (Imperial) | 3.25 in, 3.75 in |
| Overall Width (Metric) | 82.55 mm, 95.25 mm |
