The Hilti CP 604 self-leveling firestop sealant is a silicone based firestop sealant designed for through penetrations and floor joints. Meets LEED requirements.
Features & Applications
- Self-leveling, single-component, silicone-based firestop sealant for use with through penetrations as well as construction joints in floors
- Smoke, fumes and water resistant
- Meets LEED requirements for indoor environmental quality credit 4.1 Low Emitting Materials, Sealants and Adhesives and 4.2 Paints and Coatings
- W-rated systems available
Technical Data*
CP 604
| Chemical basis | Neutral elastic silicone |
| Color | Gray |
| Application temperature | 40° F to 104° F (5° C to 40° C) |
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| Temperature resistance | –40° F to 248° F (–40° C to 120° C) |
| Skin-forming time | Approx. 15 min |
| Curing time | Approx. 2 mm / 3 days |
| Joint movement capability | Approx. +20% |
| Surface burning
characteristics (ASTM E 84-00) |
Flame Spread: 5 Smoke Development: 60 |
| Sound transmission
classification (ASTM E 90-02) |
56 (Relates to specific construction) |
| Approvals • California State Fire Marshal - No. 4485-1200:117, No. 1452-1200:134 • City of New York - MEA 237-02-M |
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| Tested in accordance with • UL 1479 • ASTM E 814 • ASTM E 1966 • ASTM E 2307 • UL 2079 • ASTM E 84 • CAN/ULC-S115 |
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| * At 73° F (23° C) and 50% relative humidity | |
| Description | Volume | Qty | Item No. |
| CP 604, 20.2 oz foil (600 ml) | 36 in3 ea | 12 | 00369637 |
| CP 604, 4 gal pail | 924 in3 | 1 | 00369177 |
| Mineral Wool (4 pcf density) (46" L x 24" W x 4" H) | 17,644 in3 | 4 | 00236993 |
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