Product Description
3M™ Fire Barrier Cast‑In Device for Plastic Pipes (B40065430) is a heavy-duty, one-piece firestop collar installed with concrete formwork—no core drilling required. It secures to form decks, adjusts to slab thickness (2½″–8″), and encases plastic pipe penetrations to maintain fire integrity post-pour.
Key Benefits
- Pre-Pour Installation: Fix in place before concrete pour—eliminates core drilling and field firestopping.
- Height Adjustable: Tear-strip feature allows quick adjustment to fit various slab depths.
- Durable Design: Rugged, one-piece collar resists construction site impact.
- High Fire Rating: Up to 3 hr fire protection per ASTM E814/UL 1479.
- Water-Leakage Resistance: UL-classified Class I for reliable performance.
Best For
- Plastic pipe penetrations (PVC, CPVC, PEX, ABS)
- Pre-pour installations in concrete slabs
- Fast‑track construction projects
- Through‑slab firestopping applications
- Field and retrofit use with adjustable depth
- Systems requiring fire and water leakage integrity
Product Properties
| Property | Specification |
|---|---|
| SKU | B40065430 |
| Pipe Compatibility | Non-metallic pipes (PVC/CPVC/PEX/ABS), up to 6″ nominal |
| Adjustable Height | 2½″ to 8″ slab thickness via tear strips |
| Fire Rating | Up to 3 hr (ASTM E814/UL 1479) |
| Water Rating | UL Water Leakage Class I |
| Construction | One-piece metal collar with intumescent core |
| Installation | Mount to formwork, pour concrete, then insert pipe |
