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FOCUS 250 Owner's Manual
17
RSF Woodburning Fireplaces
2. Install enough lengths to obtain the desired offset. Secure each joint with three metal screws. Refer to the offset
charts provided with the EXCEL chimney installation manual for exact offset dimensions.
If the chimney goes through an outside wall as shown in Figure 12 and is enclosed on the other side of the wall,
then the outside plate of the angled wall rediation shield MUST NOT be installed.
3. Use another elbow to return the chimney to the vertical direction.
4. Install a roof support, a wall support, or an offset support above each offset to support the weight of the chimney
(elbows are not designed to support the chimney above an offset).
Figure 11 Offset Chimney Installation Example
Figure 12 Offset Chimney Through a Wall
Example
Through the Wall Offset
You can also go through the wall at an angle starting directly at the fireplace as depicted in Figure 12. An angled
wall insulated radiation shield (XM-7EWRSI30 or XM-7EWRSI45) must be used wherever the chimney passed
through an exterior wall. Make sure you have enough ceiling height. If not, you might want to consider installing the
fireplace in an outside chase.
If the chimney is enclosed once outside of the house, do not install the outside plate of the angled wall insulated
radiation shield.
Refer to the angled wall insulated radiation shield installation sheets for more detailed installations instructions.
Radiation
Shield
Use Offset
Support or
Roof Support
RS
F
Fi
re
pl
ac
e
Radiation
Shield
3 Metal Screws
in Each Joint
Rise
Offset
10'
2' min.
Flashing*
with Storm
Collar
1' min.
Radiation
Shield and
Offset, Roof or
Wall Support
Insulated Wall
Radiation
Shield
(30° or 45°)
*In
USA
: use a
vented flashing
*In
Canada
: use
either a vented
flashing only or a
regular flashing
with a roof radiation
shield
R
SF
Fi
re
pl
ace