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13
SHR Series Woodburning Fireplaces
20001384
Attic Installation
Ceiling Installation
Fig. 21 Installing firestop spacer.
FP285
IWF285
mbuf
5/25/96
Nails (4)
Firestop Spacer
Joist
Joist
Firestop
Spacer
Nails (4)
Flange Down Into Hole
Flange Up Into Hole
NOTE: If the attic insulation shield is used, the
firestop is not required in the attic installation.
Canadian Requirements
for Insulation Shield
In Canada, an attic insulation shield is required to
prevent attic insulation from contacting the chimney
section. NOTE: If the attic insulation shield is used, the
firestop is not required in the attic installation. Fram-
ing dimensions for the chimney hole should measure
17¹⁄₂" x 17¹⁄₂" (445 x 445 mm). An attic shield MUST
be installed on top of attic joists (above the floor level).
(Fig. 22)
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.
Continue Installing Pipe to Complete Run
Continue attaching pipe sections to complete system
to next level always being careful that the pipe is firmly
snap 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 ad-
jacent structural framing, as shown in Figure 8, Page
8. Bend straps as necessary and make sure they are
secure so they will support the weight of the chimney. A
chimney support is 2¹⁄₂" 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 in Figure 21.
Penetrating the Roof
Run pipe to roofline. Since 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 center point of
the flue system.
Drive a nail up through roof at the center point. This will
determine center point on outside of the roof.
FP263
Fig. 22 Attic shield installlation (Canadian requirement).
FP263
MBUF
5/9/96
Attic
Insulation
Shield
Nails
(4 required)
Attic Joist
Ceiling
Base
Flanges