Product Description
3M™ Fire Barrier Pass‑Through Brackets Square (B40065432) are precision-engineered steel brackets used with the 3M™ Fire Barrier Pass‑Through Device – Square. Sold in pairs with mounting screws, they reinforce the firestop assembly by anchoring it securely to both faces of wall or floor penetrations carrying cables, metallic or non-metallic pipes, or conduits.
Key Benefits
- Structural Stability: Reinforces pass-through devices to prevent movement during installation and service.
- Complete Pair Kit: Includes two square brackets and mounting screws for consistent installation.
- Robust Steel Construction: Resilient brackets suitable for fire-rated concrete and gypsum substrates.
- Versatile Compatibility: Designed for square firestop pass-through devices with pipe, conduit, and cable penetrations.
Best For
- Supporting square pass-through firestop devices
- Securing cable bundle penetrations
- Stabilizing pipe and conduit entries
- Commercial and industrial rated walls/floors
- New construction and retrofit firestop jobs
- Through-penetration assemblies needing mechanical support
Product Properties
| Property | Specification |
|---|---|
| SKU | B40065432 |
| Includes | 2 square steel brackets + mounting screws |
| Compatible Device | 3M Fire Barrier Pass‑Through Device – Square |
| Mounting Surface | Fire-rated walls and floors (concrete, gypsum) |
| Material | Steel |
| Penetration Types | Cables, metal & plastic pipes, conduits |




