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INTRODUCTION
APPLICATIONS / PRODUCTS
UL & OPL  DRAWINGS
ESTIMATING TABLES  /  TECH DATA
Saving Lives through innovation & education❘  Hilti Firestop Guide 2004–2005❘  1-800-879-8000❘  www.us.hilti.com
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Product Information
31
1. Clean plastic pipe
2. Close remaining gap
to provide smoke
and gas resistant
seal
3. Close collar
4. Attach fastening
hooks
5. Fasten collar and
identification plate.
(If required)
Firestop
System
Product description
•
Galvanized sheet steel containing sections of intumescent
material (designed to expand when exposed to fire) for
firestopping large combustible pipes
Product features
•
Ready-to-use collar, no construction required, therefore
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
System Advantage / Customer Benefits
•Snap connection for quick and easy
closure without use of a tool
•Adjustable position tabs for convenient
fastening
•Ready to use out of the package
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CP 642 Brandschutzmansch.
CP 644
Technical Data
CP 644-200/8"
8.810.0
6.9
10
CP 644-250/10"NMKUNOKQ
9.1
12
Approvals
California State Fire Marshal
In progress
City of New York
In progress
Tested in accordance with
• UL 1479
• ASTM E 814
• ULC-S115-95
Internationally tested and approved
CP 644
Firestop Collar
Opening
1.Clean the plastic pipes.Expansion of the intumescent
material during a fire acts to close the plastic pipe. Very
dirty pipes with,for example,remains of mortar,may
lead to a delay in this closing action. Soiled plastic pipes
should,therefore,be cleaned in the area where the
CP 644 firestop collar is to be installed.
Application of firestop system
2.Seal the opening. Gaps must be closed with FS-ONE.The
approved methods vary and are given in the specific
UL/cUL system.
3.Close the CP 644 firestop collar.Place the CP 644
firestop collar around the plastic pipe and lock the
closure by applying firm pressure until it latches.
4.Attach fastening hooks.The fastening hooks can be
attached to various points on the metal housing.This
allows the fastening points to be made to suit the space
available in each case.
The hooks must be positioned as symmetrically as
possible.The required number of fastening hooks is
indicated on the packaging.
5.Fastening the CP 644 firestop collar. Only when fastened
properly can CP 644 offer protection against fire passing
through.
a.Mark the fastening points.
b.Drill holes with a Hilti rotary hammer drill (i.e.TE 5) or,
depending on base material, fasten using Hilti power
actuated tool.
c.To secure the CP 644 firestop collar,use Hilti
anchors/fasteners.
d.For maintenance reasons, a penetration seal can be
permanently marked with an identification plate and
fastened in a visible position next to the seal.
Notice about approvals
•When making a pipe seal using Hilti CP 644 Firestop
Collar, please refer to the UL Fire Resistance Directory  or
Hilti Firestop Manual for complete details,including
restrictions as to opening size, type and thickness of wall
or floor, maximum pipe diameter, etc.
Not for use...
•With metal pipes
•In highly corrosive surroundings
•With unapproved anchors/fasteners
Safety precautions
•Keep out of the reach of children
•Read the Material Safety Data Sheet
Storage
•Store only in the original packaging in a location
protected from moisture
Installation instructions for CP 644
Description
Pipe outside dia (in.)
Collar outside dia. (in.)
Collar Height (in.)
No. of hooks & fasteners
FM
APPROVED
FIRESTOP DEVICE
FOR USE IN THROUGH-PENETRATION
FIRESTOP SYSTEMS
SEE UL FIRE RESISTANCE DIRECTORY
5N76