FIRESTOP COLLAR (CP 644)
Product information
Product description
- A ready-to-use firestop collar, made of galvanized steel housing and intumescent inserts for firestopping large combustible pipes
Product features
- Ready-to-use collar
- No construction required
- Fast installation time
- Adjustable/moveable fastening tabs
Areas of application
- Sealing of penetrations for combustible pipes from 8” to 10” in diameter
- Vented or closed pipe
- PVC or CPVC pipe
For use with
- Concrete, masonry, and gypsum walls
- Wall and floor assemblies rated up to 2 hours
Types of installation
- Wall: two collars, one on each side
- Floor: one collar on underside (bottom)
Examples
- Waste water pipes
- Fresh water pipes
Installation instructions
- See Hilti literature or third-party listings for complete application and installation details
Technical Data
| Description dia (in.) | Pipe outside
| Collar outside dia. (in.) | Collar Height (in.) | No. of hooks and fasteners |
| CP 644-200/8″ | 9. | 10.0 | 7. | 10 |
| CP 644-250/10″ | 11. | 12. | 9. | 12 |
| Temperature resistance | -4 °F to 212 °F (-20 °C to 100 °C | |||
| Intumescent Activation | Approx. 410 °F (210 °C) | |||
| Expansion ratio (unrestricted) | Up to 1:17 | |||
| Application temperature | 23 °F to 122 °F (-5 °C to 50 °C) | |||
| Storage temperature | 23 °F to 122 °F (-5 °C to 50 °C) | |||
| Shelf life | Not relevant | |||
| LEED VOC | 7.6g/I | |||
| Mold and mildew | Class 0 (ASTM G21-96) | |||
| Tested in accordance with | UL 1479, ASTM E 814, ASTM G21, CAN/ULC-S115 | |||
FIRESTOP DEVICE FOR USE IN THROUGH-PENETRATION
FIRESTOP SYSTEMS SEE UL FIRE RESISTANCE DIRECTORY 5N76
Hilti Firestop Saving lives through innovation and education
DBS • 05/22
