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20
4.1.1 HORIZONTAL INSTALLATION
EN
THE FIRESTOP ASSEMBLY MUST BE INSTALLED WITH THE VENT SHIELD TO THE TOP.
TERMINALS MUST NOT BE RECESSED INTO A WALL OR SIDING MORE THAN THE DEPTH OF THE
This application occurs when venting through an exterior wall.
Having determined the correct height for the air terminal
location, cut and frame a hole in the exterior wall as
illustrated to accommodate the fi restop assembly.
Dry fi t the fi restop assembly before proceeding to
ensure the brackets on the rear surface fi t to the
inside surface of the horizontal framing.
The length of the vent shield may be cut shorter
for combustible walls that are less than 8 1/2"
(215.9mm) thick but the vent shield must extend
the full depth of the combustible wall.
A. Apply a bead of caulking (not supplied) around the corner edge of
the inside surface of the fi restop assembly, fi t the fi restop
assembly to the hole and secure using the 4 screws (supplied in your
manual baggie).
B. Once the vent pipe is installed in its fi nal position, apply high temperature sealant W573-0007 (not
supplied) between the pipe and the fi restop.
4.1.2 VERTICAL INSTALLATION
This application occurs when venting through a roof. Installation kits for
various roof pitches are available from your authorized dealer / distributor.
See accessories to order specifi c kits required.
A. Determine the air terminal location, cut and frame a square opening as
illustrated in the ceiling and the roof to provide the minimum 1" (25mm)
clearance between the vent pipe and any combustible material. Try to
center the vent pipe location midway between two joists to prevent
having to cut them. Use a plumb bob to line up the center of the
openings. A vent pipe shield will prevent any materials such as
insulation, from fi lling up the 1" (25mm) air space around the pipe.
Nail headers between the joist for extra support.
B. Apply a bead of caulking (not supplied) to the framework or to the Wolf Steel
vent pipe shield plate or equivalent (in the case of a fi nished ceiling), and secure
over the opening in the ceiling. A fi restop must be placed on the bottom of each
framed opening in a roof or ceiling that the venting system passes through.
Apply a bead of caulking all around and place a fi restop spacer over the vent
shield to restrict cold air from being drawn into the room or around the fi replace. Ensure
that both spacer and shield maintain the required clearance to combustibles. Once the
vent pipe is installed in its fi nal position, apply sealant between the pipe and the fi restop
assembly.
C. In the attic, slide the vent pipe collar down to cover up the open end of the shield and
tighten. This will prevent any materials, such as insulation, from fi lling up the 1" (25mm)
air space around the pipe.
W415-1519 / C / 11.06.15
WARNING
!
RETURN FLANGE OF THE MOUNTING PLATE.
CAULKING
FIRESTOP
VENT
SHIELD
SPACER
FINISHING
MATERIAL
DETERMINE
THE
CORRECT
HEIGHT
20.2A
FIRESTOP
UNDERSIDE OF
JOIST
CAULKING
VENT PIPE
SHIELD
VENT
PIPE
COLLAR
VENT
PIPE
SHIELD
21.1A
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