HILTI CP 644 Firestop Collar Instructions
- June 3, 2024
- HILTI
Table of Contents
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
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