Product Description
3M™ Fire Barrier Pass‑Through Brackets Round (B40065427) are precision-engineered metal support brackets used with the 3M™ Fire Barrier Pass‑Through Device – Round. Sold in pairs with mounting screws, they secure the firestop enclosure on both sides of rated walls or floors, ensuring structural stability and maintaining firestop integrity.
Key Benefits
- Structural Support: Provides strength and prevents movement of pass-through devices during and after installation.
- Complete Kit: Comes with paired brackets and screws for consistent assembly on both sides of the penetration.
- Metal Construction: Durable steel design seires for reliable anchoring in concrete and gypsum walls.
- Wide Compatibility: Compatible with round metallic/non-metallic pipe and cable pass-through applications—works with the 3M Fire Barrier Pass‑Through Device.
Best For
- Supporting round firestop pass-through devices
- Securing cabling penetrations
- Stabilizing pipe and conduit installations through rated assemblies
- Commercial and industrial firestop setups
- Retrofit and new construction applications
- Floor and wall penetrations requiring mechanical support
Product Properties
| Property | Specification |
|---|---|
| SKU | B40065427 |
| Includes | 2 steel brackets + mounting screws |
| Compatible Device | 3M Fire Barrier Pass‑Through Device – Round |
| Mounting Surface | Fire-rated concrete, gypsum walls/floors |
| Material | Steel |
| Applications | Pipe, cable, conduit penetrations |




