13
WR / WC Series Woodburning Fireplace
20014528
NOTe:
In the U.S., it is a good idea, although not al-
ways required, to install an attic insulation shield where
blown-in insulation is planned to be used in the attic.
Install the attic insulation shield with the flanges on its
base extending down into the framing hole. Nail each
corner of attic insulation shield to the framing members
of the ceiling hole using 8d nails. Attic shields are not
required at the roof.
Penetrating the Roof
Run pipe to roofline. Since the chimney system must be
vented to the out-of-doors, you
must
use an approved
termination.
If a chase is used, refer to the installation manual pro-
vided with the termination cap.
Locate Chimney Centerpoint On Roof
Use same procedure detailed in locating centerpoint of
the flue system.
Drive a nail up through roof at the center point. This will
determine center point on outside of the roof.
Cut and Frame Roof Hole
Size of roof hole varies with the type of chimney ter-
mination installed. Refer to installation instructions
provided with the chimney termination to find correct
size of roof hole.
There must be a 1
¹⁄₂
(38 mm) air space between out-
ermost portion of chimney sections and any adjacent
combustible surfaces. (Combustible surfaces include
burnable materials such as: ceiling members, joists,
flooring, combustible insulation and roof structures.)
WARNINg: DO NOT PACK ReQUIReD AIR SPACeS
WITH INSULATION OR OTHeR MATeRIALS.
Mark an outline of the roof hole around the center of the
point nail.
NOTe:
Hole dimensions given in the chim-
ney top installation instructions are
horizontal
dimen-
sions; therefore, the hole size must be marked on the
roof accordingly.
Cover the opening of the installed chimney so debris
cannot get into the system.
Cut and frame the hole. It is good practice to use fram-
ing lumber that is the same size as the rafters. Install
the frame securely because the chimney top and flash-
ing anchored to the frame must be able to withstand
heavy winds.
Install Remainder of Chimney Sections
Since you have already preplanned the height of your
termination according to the
Ten Foot Rule
, continue to
install pipe to the predetermined height.
Check the chimney top installation instructions for
details on how high above the roof top the chimney sec-
tions (all pipes) should extend.
FP263
Fig. 19
Attic shield installlation (Canadian requirement).
FP263
MBUF
5/9/96
Attic
Insulation
Shield
Nails
(4 required)
Attic Joist
Ceiling
Base
Flanges
Continue Installing Pipe to Complete Run
Continue attaching pipe sections to complete system
to next level always being careful that the pipe is firmly
snapped locked in place before proceeding to next pipe
section.
Chimney Supports
If chimney supports are required, they are installed
the same as elbows. Nail chimney support straps to
adjacent structural framing, as shown on, Page 8, Fig.
9. Bend straps as necessary and make sure they are
secure so they will support the weight of the chimney. A
chimney support is 2
¹⁄₂
" (64 mm) long when installed.
Consider this dimension when determining how many
straight chimney sections are needed.
NOTe:
Chimney supports are generally used in long
runs in a chase installation.
Additional Ceilings
If you encounter additional ceilings, repeat same steps
required for first ceiling installation. Refer to firestop
illustration on Page 12, Figure 18.
