PLEASE NOTE: This product has been discontinued and replaced with the new Hilti CFS-BL Fire Block.
The Hilti FS 657 Fire block is a non-curing, reusable solution for medium to large openings.
Features & Applications
- Non curing, reusable solution for small openings
- Suitable for new penetrations or re-penetration
- One-sided installation wall systems available
- Easy installation, no special tool is required
- Ideal for use in floors, no forming is required
Technical Data
FS 657
| Color | Red |
| Application temperature | 40° F to 104° F (5° C to 40° C) |
| Temperature resistance | 5° F to 140° F (-15° C to 60° C) |
| Intumescent Activation | Approx. 572° F (300° C) |
| Expansion ratio (unrestricted) | Approx. 1:3 |
| Surface burning
characteristics (ASTM E 84-08) |
Flame Spread: 0 Smoke Development: 25 |
| Sound transmission classification (ASTM E 90-99) | 54 (Relates to specific construction) |
| Approvals • California State Fire Marshal - No. 4485-1200:106 • City of New York - MEA 325-96-M |
|
| Tested in accordance with • UL 1479 • ASTM E 814 • ASTM E 84 • CAN/ULC-S115 |
|
| Description | Volume | Qty | Item No. |
| FS 657 Fire Block (2" x 5" x 8") | 80 in3 | 1 | 00306241 |
| FS 657 Fire Block — Case | 2,080 in3 | 26 | 00306242 |
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