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STR/CVR Series Woodburning Fireplaces
7412961
Framing
Framing can be constructed before or after the fireplace
is set in place, however, most installers build the frame
before setting the fireplace.
Frame fireplace with 2 x 4 lumber or heavier materi-
als. Refer to framing dimensions in Figures 1, 2, 3 or 4
for basic fireplace specifications. Headers and support
studs must be turned on end as illustrated on Page 5,
Figure 4.
NOTE: Framing should be positioned to accommodate
wall covering and fireplace facing material. Maintain
1/2" (13mm) air space between the outer dome and
any combustible framing materials that may be sup-
ported by the ledge brackets. Refer to Figures 20
and 26 for details.
FP706
Fig. 9 Insulating between platform and fireplace.
FP706
STR/CVR
6/1/98
Hard, Flat
Surface
Insulation
Plateform
Chimney Set-up
Since you have already preplanned the chimney run,
you should know exactly how the installation is to
be accomplished — how much pipe is required, the
number of elbows, if any, and type of termination to be
used.
CAUTION: REPORT TO YOUR DEALERS ANY
PARTS DAMAGED IN SHIPMENT, SPECIFICALLY
CHECK THE END CONNECTION OF CHIMNEY SEC-
TIONS AND ELBOWS.
NOTE: STR33/36 and CVR36 models use CFM Cor-
poration SK8 (2-wall) chimney systems. STR/CVR42
Fireplaces use only model 11CF chimney system.
Straight-Up Chimney Installation
To locate the centerline of the flue put the fireplace in
final position and place a plumb bob from the ceiling to
the center of the fireplace flue collar. Mark this spot on
the ceiling. Draw a line through that mark to either side
of the firebox and indicate dimension X to locate the
side wall framing. (Fig. 10) Be sure to observe clear-
ance requirements for side and parallel combustible
walls as noted in Page 16, Figure 23.
Offset Installation
In order to clear an obstruction, it may be necessary
to offset chimney from vertical. This is accomplished
by using CFM Corporation elbows. Use the 30° Offset
Elbow table on Page 6 to determine proper offset and
parts required.
Each offset requires two (2) elbows. The second elbow
is equipped with support straps. It is very important to
install the second elbow in each offset as close to the
ceiling or support as possible so that the elbow straps
can be secured to framing members to help support the
weight of the chimney.
Determine offset distance of your chimney arrangement
from centerline of fireplace to centerline of chimney
where it is to pass through ceiling.
Locate center point of the chimney on ceiling as though
a straight up chimney arrangement is to be used.
Measure your offset dimension from the chimney center
point on the ceiling.