W415-1283 / E / 12.21.16
HORIZONTAL INSTALLATION
21
EN
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
VENT
illustrated to accommodate the firestop assembly.
Dry fit the firestop assembly before proceeding to
ensure the brackets on the rear surface fit to the
inside surface of the horizontal framing.
The vent shield must be installed to the full depth of
the combustible wall. The length of the vent shield
may be cut shorter for combustible walls that are
CAULKING
FIRESTOP
SPACER
SHIELD
DETERMINE
THE
less than 8 1/2" (216mm) thick.
NOTE: Bend the tabs for
reduced side clearances or move the shield for reduced top
CORRECT
clearances.
A.
Apply a bead of caulking (not
supplied) around the corner edge of
the inside surface of the firestop
assembly, fit the firestop assembly
to the hole and secure using the
4 screws (supplied in your manual
baggie).
NOTE : Do not fill the air space
CAULKING
FINISHING
MATERIAL
HEIGHT
between the firestop spacer and the exterior wall with any type of insulating material (i.e., spray foam).
B.
Once the vent pipe is installed in
its final position, apply red
RTV silicone sealant (W573-0002) (not supplied) between the pipe and the
firestop.
VERTICAL
INSTALLATION
20.7D
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 specific 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 filling 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 finished
FIRESTOP
UNDERSIDE OF
JOIST
CAULKING
ceiling), and secure over the opening in the ceiling. A firestop 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
firestop spacer over the vent shield to restrict cold air from being drawn into the
VENT PIPE
SHIELD
VENT
PIPE
room or around the fireplace. Ensure that both spacer and shield maintain the required
clearance to combustibles. Once the vent pipe is installed in its final position, apply
Mill Pac sealant (W573-0007) (not supplied) or red RTV silicone (W573-0002) (not
supplied) between the pipe and the firestop 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 filling up the 1" (25mm)
a
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s
p
a
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e
a
r
!
WARNING
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
RETURN FLANGE OF THE MOUNTING PLATE.
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