CR Series
Corner Woodburning Fireplace
Homeowner’s Installation
and Operating Manual
For Models:
CR36R
CR36L
For use in U.S./Canada
Underwriter’s Laboratories
Report No. MH6018
DO NOT DISCARD THIS MANUAL: Retain for future use.
20001316 3/06 Rev. 13
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CR Series Woodburning Fireplaces
CR36R/L Series Woodburning Fireplace
Rough
Opening
Depth
29¹⁄₄" (743mm)
³⁄₄" (19mm)
10"
(254mm)
22³⁄₄"
(578mm)
22"
11" Dia.
(279mm)
(559mm)
Rough
Opening
Height
⁷⁄₁₆" (11mm)
1" Typ.
(25mm)
9⁷⁄₈"
(251mm)
(159mm)
6"
41¹⁄₂"
(1054mm)
21⁷⁄₁₆"
(545mm)
4" Dia.
Outside
Air Collar
19⁹⁄₁₆"
(497mm)
9¹⁄₂"
(241mm)
8"
Gas Line
Access
6³⁄₄"
(172mm)
36" (914mm)
(203mm)
40¹⁄₈" (1019mm)
7"
14¹⁄₄"
(178mm)
(362mm)
(CR36R Shown)
Fig. 1 CR36R/L Series specifications and framing.
25¹⁄₂" (648 mm)
25¹⁄₂" (648 mm)
15⁵⁄₈"
15⁵⁄₈"
(397 mm)
(397 mm)
32³⁄₈" (822 mm)
32³⁄₈" (822 mm)
CR36L
CR36R
FP1538
Fig. 1a CR36R/L hearth dimensions.
3
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CR Series Woodburning Fireplaces
Chase Installation
Insulation methods shown are optional
for cold climates, not a requirement for
unit operation.
Termination Cap
Storm Collar
Pan Flashing
Batt Insulation
(cut out around
firestop)
Draftstop
Firestop
Ceiling Level
Outer Dome
Finish Wall
Ledge Bracket
Surround
See Figure 20 on page 15
for clearance information
Gas Access
Screen
Outside Air
Cover Plate
Grate
Firebox
Outside Air Control
FP704CR
Fig. 2 Fireplace and chase parts identification.
4
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CR Series Woodburning Fireplaces
Chimney Requirements - Offset Installations
OFFSET
Chimney Flue Exit
RISE
Chimney
Section
FP282
Elbow
30°
Return
Elbow
30˚ Elbow Offsets
B
G
A
G
1’
Offset
Rise
3’ 4’
1¹⁄₂'
30°
Offset
Elbow
0
1
0
2
1
0
2
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
1
0
0
1
0
0
2
0
1
2
0
1
3
0
2
3
1
2
0
1
3
0
2
3
1
2
0
1
3
0
2
3
1
2
0
0
0
0
0
0
0
0
1
0
1
1
0
1
1
0
2
1
0
2
1
0
2
1
3
2
1
3
2
1
3
2
4
3
2
4
3
2
4
3
5
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
3”
8¹⁄₄"
11”
20"
D
C
Rise
E
6 FT.
11¹⁄₄" 25¹⁄₄"
13¹⁄₂" 29¹⁄₄"
16¹⁄₂" 34¹⁄₄"
20¹⁄₄" 40³⁄₄"
21³⁄₄" 43¹⁄₂"
26¹⁄₄" 51¹⁄₄"
28¹⁄₂" 55¹⁄₄"
31¹⁄₂" 60¹⁄₄”
34¹⁄₂" 65¹⁄₂"
37¹⁄₂" 70³⁄₄"
41¹⁄₂" 77³⁄₄"
45" 83³⁄₄"
47¹⁄₄" 87¹⁄₂"
51"
53¹⁄₄"
56¹⁄₄" 103¹⁄₄"
59¹⁄₄" 108¹⁄₂"
62¹⁄₄" 113¹⁄₂"
64¹⁄₂" 117¹⁄₂"
68¹⁄₄"
70¹⁄₂"
74¹⁄₄" 134¹⁄₂"
78" 140³⁄₄"
81"
84" 151¹⁄₄"
87" 156¹⁄₂"
89¹⁄₄" 160¹⁄₄"
93" 166³⁄₄"
95¹⁄₄" 170³⁄₄"
99¹⁄₄" 177³⁄₄"
SKCS8
Support
30°
Return
Elbow
H
Offset
H
30°
Offset
Elbow
B
Hearth Floor
Example 1
Example 2
Example 3
FP269CR
NOTE: G + H Cannot Exceed 20’
94"
98"
Illustration Key
The following safety rules apply to offset
installations. (The letters correspond with
letters above):
A. Height of the chimney measured from
the hearth to the chimney exit at top:
CR36L/R Series
C. The chimney cannot be more than 30°
from the vertical plane.
D. The maximum length of the angled run
of the total chimney system is 20 feet. (G
plus H cannot exceed 20 feet)
E. A chimney support (Model SKCS8) is
required every 6 feet of angled run of
chimney. Chimney supports are required
at 30 feet and 60 feet of chimney height
above the hearth also.
124"
128"
Maximum:
Minimum:
90’0”
2
Without elbows
With 2 elbows
With 4 elbows
14’ 0”
15’ 0”
21’ 0”
2
2
2
2
2
2
2
146"
B. Do not use more than four elbows per
chimney.
Determine the offset distance of your chim-
ney arrangement from the centerline of the
fireplace to the centerline of the chimney
where it is to pass through the first ceiling.
Attach the straps of the top elbows to a
structural framing member.
The first elbow of any pair does not have
straps.
2 101¹⁄₄" 181³⁄₄"
2 104¹⁄₄" 186¹⁄₄"
2 107¹⁄₄" 191¹⁄₂"
2
3
3
3
NOTE: This offset distance may not be your
full offset distance. See Examples 2 and 3.
110¹⁄₄" 196³⁄₄"
114" 203¹⁄₄"
117³⁄₄" 209³⁄₄"
120" 213¹⁄₂"
3 123³⁄₄"
220"
Fig. 3 Chimney system requirements.
5
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CR Series Woodburning Fireplaces
Planning Information
Preplanning an installation is very important to ensure
safety and to save time and money. An installer must
predetermine where a fireplace will be set and how the
chimney system will be run.
The Ten Foot Rule
Major U.S. building codes specify a minimum chimney
height above the roof top. The “Ten Foot Rule” is a fire
safety rule and not a draft rule. To ensure proper draft,
it is recommended that you always meet or exceed the
“Ten Foot Rule,” especially when installing a termina-
tion on a high pitch roof. (Fig. 5)
Mounting the Fireplace
A fireplace may only be mounted on the following
surfaces:
The key points of the “Ten Foot Rule” are:
1. A flat combustible surface.
1. If the horizontal distance from the chimney to the
peak of the roof is 10’ (3m) or less, the top of the
chimney must be at least 2’ (610mm) above the
peak of the roof, but never less than 3’ (914mm)
in height above the highest point where it passes
through the roof.
2. A raised wooden platform.
3. A concrete block or other solid object placed be-
neath each of the four (4) corners of the fireplace.
The fireplace must be spaced 3/4 inch from a com-
bustible back wall and 7/16 inch from a combustible
side wall or support. (Fig. 17, Page 12)
2. If a horizontal distance from the chimney to the
peak of the roof is more than 10’ (3m), a chimney
height reference point is established on the surface
of the roof a distance of 10’ (3m) from the chimney
in a horizontal plane. The top of the chimney must
be at least 2’ (610mm) above the reference point,
but never less than 3’ (914mm) in height above the
highest point where it passes through the roof.
Planning the Chimney Run
Determine how the chimney will be run, length of run
and chimney components required to complete the
job. (Fig. 3) Never install a chimney below minimum
heights.
INSTALLED
LENGTH
TOTAL
LENGTH
0 To 10'
L
L
L
T
1
1
MODEL SK
2 WALL CHIMNEY
(L )
(L )
1
T
2' Min.
0 To 10'
3'
�����
�����
�����
�����
"
"
"
"
SK81
SK818
SK83
SK84
�����
�����
�����
�����
"
"
"
"
Min.
2' Min.
3'
Min.
Reference
Point
Fig. 4 Installed lengths of chimney sections.
AC246
In planning a chimney system, it is important to know:
Fig. 5 Ten Foot Rule illustration.
1. The height of a chimney is measured from the
hearth to the exit point on the termination.
Chimney Supports
The chimney system is supported by the fireplace for
vertical chimney heights less than 20’ (6m) above the
hearth. Chimney supports are required if the vertical
height exceeds 20’ (6m). Locate chimney supports
at ceiling holes or other structural framing at 20’ (6m)
heights. Spacing between chimney supports must not
exceed 20’ (6m). Use Chimney Support Model SKCS8
for SK8 chimney, and Model 11CS for 11CF chimney.
(Note: the chimney support can not be mounted
directly to the fireplace.) Support provided by elbow
straps fulfills the support requirement only if they are
spaced as previously described. (A chimney support is
2¹⁄₂" (64mm) long when installed.)
2. A chimney cannot be offset more than 30° from a
vertical plane.
3. A chimney may run straight up or it may be neces-
sary to offset it to avoid obstructions.
4. The maximum length of an angled run (total chim-
ney system) is 20’ (6m).
5. No more than 2 offsets (4 total 30° elbows in U.S./or
2 total 45° elbows in Canada) per fireplace may be
used.
6. A guy wire stabilizer is required for chimneys ex-
tending more than 6’ (1.8m) above a roof line.
6
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CR Series Woodburning Fireplaces
Angled chimney runs require a support every 6’ (1.8m)
in addition to the elbow straps. Chimney supports are
Installation
used for this function. (Fig. 6)
Insulating Fireplace Enclosure For
Cold Climates
Chase Installation
A chase is a vertical box-like structure which encloses
the fireplace and/or chimney. Chases are typically built
on the outside of the house with fireplace opening cut
into the outer wall of a room. (Page 4, Fig. 2)
If you live in a cold climate, it is not required but
highly recommended that you insulate fire-
place enclosure to eliminate cold air penetration
as much as possible.
If you need help in determining fireplace location or
how the chimney system should be run, contact your
Majestic Fireplaces dealer for assistance.
Insulate base of fireplace with a non-combus-
tible insulation rated for a minimum of 300°F.
Insulating is very important for outside wall
installations over a concrete slab. If fireplace
is installed on a platform, insulation should be
placed on top of the platform before fireplace is
set.(Fig. 7)
When a fireplace is installed in a chase or on an
outside wall, enclosure should be treated like
any outside wall in a home. Insulation should
be installed on the inside wall as well as the
outside wall(s). In a chase, it is also a good idea
to install a firestop at the first ceiling level above
the fireplace and enclose the chase with sheet-
ing material. Insulation may then be installed
above sheeting material to assure the space
around the fireplace is totally protected. (Fig. 2)
Chimney
Support
Strap
SKCS8
FP284
Fig. 6 Chimney support installation.
When installing the chimney, DO NOT caulk
between outer pipe and firestop. It is vital that
some air be allowed to flow through this very
thin gap.
CAUTION: WHEN INSTALLING A FIRE-
PLACE IN AN INSULATED ENCLOSURE, BE
SURE ALL REQUIRED AIR SPACES ARE
MAINTAINED. (Page 12, Fig. 17)
7
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CR Series Woodburning Fireplaces
ance requirements for side and parallel combustible
walls as noted in Figure 20, Page 15.
Framing
Framing can be constructed before or after the fire-
place is set in place, however, most installers build the
frame before setting the fireplace.
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 5 to determine proper offset and
parts required.
Frame fireplace with 2 x 4 lumber or heavier materi-
als. Refer to framing dimensions in Figures 1 or 2 for
basic fireplace specifications. Headers and support
studs must be turned on end as illustrated in Figure 2,
Page 4.
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 the elbow straps can
be secured to framing members to help support the
weight of the chimney.
NOTE: Framing should be positioned to accommo-
date wall covering and fireplace facing material.
Determine offset distance of your chimney arrange-
ment from centerline of fireplace to centerline of chim-
ney where it is to pass through ceiling.
Hard, Flat
Surface
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 chim-
ney center point on the ceiling.
Chimney Centerline
Actual Centerpoint
Insulation
10³⁄₈”
(264mm)
Platform
FP555CR
Fig. 7 Insulation between platform and fireplace.
Chimney Set-up
Plumb Line
Plumb Bob
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.
Imaginary Center-
point
CAUTION: REPORT TO YOUR DEALER ANY
PARTS DAMAGED IN SHIPMENT, SPECIFICALLY
CHECK THE END CONNECTION OF CHIMNEY
SECTIONS AND ELBOWS.
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. 8) Be sure to observe clear-
FP556CR
Fig. 8 Locate centerline of chimney with plumb line.
8
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CR Series Woodburning Fireplaces
Ceiling Chimney Hole/
Possible Obstructions
Positioning, Safety Strips,
Securing the Fireplace
Slide fireplace into position.
The size of the hole in the ceiling will vary with the
angle at which the chimney passes through ceiling.
Lift the fireplace front slightly and slide the metal safety
strips under front bottom edge about 1¹⁄₂” (38mm),
allowing the remainder to extend in front of firebox.
Overlap strips at least 1/2” (13mm) to provide a posi-
tive joint. (Flat safety strips are packed with fireplace.)
(Fig. 11)
Drive a nail up through ceiling at marked chimney
center point. Go to floor above and see where hole
will be cut. Check to see where existing ceiling joists
and other possible obstructions are located...i.e. wir-
ing, plumbing etc... If necessary, re-position chimney
and/or fireplace to avoid obstructions.
Safety strips are used to ensure that any combustible
materials in front of the fireplace are protected even
though a noncombustible hearth extension is required.
Cutting the Hole
Cover fireplace collar opening and cut proper sized
chimney hole in chimney. The SK8 pipe allows you to
run pipe through a typical 16” on center joist without
cutting joists.
If fireplace is to be elevated above the floor, a “Z”
shaped metal safety strip must be fabricated and used
to protect combustible surfaces in front of the fireplace.
This “Z” shaped safety strip is not provided but must
be fabricated of metal with each horizontal leg at least
1¹⁄₂” (38mm) wide and equal in length to the metal
strips provided with the fireplace.
Framing the Ceiling Hole
Frame the ceiling chimney hole as shown in Figure 10.
It is good practice to use framing lumber that is the
same size as the ceiling joists; this is a requirement at
attic level.
NOTE: Safety strips are not required over noncom-
bustible floors where all supports at the base of the
fireplace are noncombustible.
Size of
Angle of chimney at ceiling
Outside Air Kit
Chimney
8” Flue
Vertical
14¹⁄₂ x 14¹⁄₂
(368 x 368mm)
30°
14¹⁄₂ x 25¹⁄₂
(368 x 648mm)
An outside air kit damper is installed in all CR36L/R
Series Fireplaces. If desired, or if local codes mandate
the use of an air kit, then an AK-MST is required to
complete the installation (from air kit to the outdoors).
If the outside air kit is to be used, the AK-MST Air Ter-
mination Kit MUST be installed BEFORE the fireplace
is enclosed. Refer to the AK-MST instructions for field
installation. NOTE: Outside air control knob can be
found in screen bag.
Fig. 9 Ceiling chimney hole sizes necessary for installing
firestop spacer.
The inside dimension of the frame must be the
same as the hole size selected from Figure 10 in order
to provide the required 1¹⁄₂” air space between the
outside diameter of the chimney and the edges of the
framed ceiling hole.
14¹⁄₂"
(368mm)
14¹⁄₂"
(368mm)
Existing
Ceiling
Joists
Chimney Hole
Metal Safety
Strips
(1, 2 or 3 pieces)
Ceiling
"Z"
Safety
Strip
(not supplied)
Fire-
place
New Framing
Members
¹⁄₂" (13mm)
Min. Overlap
Plat-
form
Hearth Ext.
1¹⁄₂"
(38mm)
FP551A
1¹⁄₂"
(38mm)
FPR557
Fig. 10 Typical frame for ceiling chimney hole
Fig. 11 Safety strip installation.
9
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CR Series Woodburning Fireplaces
Pipe Section
UP
Pipe Rim
Hem
Lance
Pipe
Rim
Nail Top
Standoffs
STR100
Fig. 12 Fasten fireplace in position.
FP558CR
Fig. 13 Install pipe, listening for the snap-lock to fasten.
Installing the Chimney System
Start by attaching the first chimney section to the collar
on top of the fireplace.
Support Structure
Install the pipe as pictured in Figure 13. When you
get a good lock, you will hear the pipe clearly snap
together. Once sections are snap-locked in place, it is
extremely difficult to get them apart. Make sure the
pipe is firmly snapped and locked together as each
pipe section is mounted.
Elbow Strap
(must be tight)
Ceiling
ELBOW STRAP
Hole
Framing
When installing elbows, only outer pipe will snap-
lock. Middle pipes simply slide into position. Be sure
to always attach straps on upper elbow to a structural
framing member. (Fig. 14)
Angle Firestop
Continue installing the pipe as required until pipe is
installed up through the ceiling. At this point, you must
install a firestop spacer. Refer to Figure 15 for appro-
priate spacer orientation.
Chimney Sup-
port Strap
(must be tight)
ANGLED STRAP
FP270/271
Fig. 14 Attach straps to a structural framing member.
Installing the Firestop Spacer
in the Ceiling Hole
A firestop spacer is used to keep pipe spaced properly
and required for safety.
Ceiling Installation
Attic Installation
Nail the firestop spacer
(at each corner) to the
framing members of the
ceiling hole. NOTE: A
firestop spacer is not
required at the roof.
Nails (4)
Joist
Firestop Spacer
Firestop Spacer
Joist
Nails (4)
FP285
Fig. 15 Installing firestop spacer.
10
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CR Series Woodburning Fireplaces
Hole sizes listed in Figure 10 for angled firestop spac-
ers provide minimum required air space to chimney
pipe for ceiling thickness up to 8” (203mm). When
combined thickness of ceiling material, ceiling joists
and flooring material exceeds 8” (203mm), adjust-
ments must be made in framing to assure that mini-
mum air spaces to chimney are maintained.
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 on Page 7, Figure
6. 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" (64mm) long when installed.
Consider this dimension when determining how many
Proper Firestop Spacer Installation
straight chimney sections are needed.
Page 10, Figure 15 shows different installation pro-
cedures for both an area that is an attic and an area
that is not an attic.
Note: Chimney supports are generally used in long
runs in a chase installation. A chimney support can-
not be mounted directly to the fireplace.
If the area above the ceiling is not an attic, position
the firestop spacer with the flange on the ceiling side
and the angled portion extending up into the hole.
Additional Ceilings
If you encounter additional ceilings, repeat same steps
required for first ceiling installation. Refer to firestop
illustration on Page 10, Figure 15.
If the area above the ceiling is an attic, position the
firestop spacer with the flange on the top of the framed
hole and the angled portion extending down into the
hole.
Penetrating the Roof
Firestop spacers are not available for, nor are they
required on vertical walls.
Run pipe to roofline. Since chimney system must be
vented to the out-of-doors, you must use an approved
termination.
DO NOT put any sealant around the area where the
outer pipe slides through the firestop spacer. If you
seal this area, it may cause a fire hazard.
If a chase is used, refer to the installation manual pro-
vided with the termination cap.
Canadian Requirements for
Insulation Shield
Locate Chimney Centerpoint On Roof
Use same procedure detailed in locating center point
of the flue system.
In Canada, an attic insulation shield is required to
prevent attic insulation from contacting the chimney
section. Framing dimensions for the chimney hole
should measure 14¹⁄₂" x 14¹⁄₂" (368 x 368mm) (SK8).
An attic shield MUST be installed on top of attic joists
(above the floor level). (Fig. 16)
Drive a nail up through roof at the center point. This
will determine center point on outside of the roof.
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.
Attic
Insulation
Shield
Nails
(4 Required)
Continue Installing Pipe to Complete Run
Continue attaching pipe sections to complete system
to next level always being careful the pipe is firmly
snapped locked in place before proceeding to next
pipe section.
Attic Joist
Base
Flanges
Ceiling
FP263
Fig. 16 Attic shield installlation (Canadian requirement).
11
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CR Series Woodburning Fireplaces
Check the chimney top installation instructions for
details on how high above the roof top the chimney
sections (all pipes) should extend.
Cut and Frame Roof Hole
Size of roof hole varies with the type of chimney
termination installed. Refer to installation instructions
provided with the chimney termination to find correct
size of roof hole.
Installing Top Housing or Termination
Follow the installation instructions provided with the
CFM Corporation chimney termination you have se-
lected.
There must be an air space (1¹⁄₂" (38mm) with SK8 )
between outermost portion of chimney sections and
any adjacent combustible surfaces. (Fig. 17) (Com-
bustible surfaces include burnable materials such as:
ceiling members, joists, flooring, combustible insula-
tion and roof structures.)
Installing Chimney In a Chase
Refer to Page 4, Figure 2 for an illustration of a typical
chase installation.
WARNING: Do not pack required air spaces with
insulation or other materials.
CAUTION: Treatment of firestop spacers and
construction of chase may vary with type of build-
ing. These instructions are not a substitute for local
building codes. You must check your local building
codes to determine specific requirements for your
city or state. NOTE: Other building materials may
be required in addition to CFM Corporation Firestop
Spacers.
Mark an outline of the roof hole around the center of
the point nail. NOTE: Hole dimensions given in the
chimney top installation instructions are horizontal
dimensions; 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.
Finishing
Cut and frame the hole. It is good practice to use
framing lumber that is the same size as the rafters.
Install the frame securely because the chimney top
and flashing anchored to the frame must be able to
withstand heavy winds.
CAUTION: All joints between the finished wall and
the fireplace surround (top/sides) must be sealed with
noncombustible material to prevent cold air leakage
into the room. Only noncombustible material may be
applied to the facing of the fireplace surround. (Black
painted area) (Fig. 17)
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.
Air Space Clearances
Combustible Framing Material
MUST NOT Penetrate AIR SPACE
(Shaded Areas)
Firestop
1¹⁄₂” Air Space
to Combustible
Materials
⁷⁄₁₆” Air Space
to Sides
³⁄₄” Air
Space to
Back
Wall
Shield
Standoff
⁷⁄₁₆” Air Space
to Sides
0” Clearance
to Floor
Front View
Only Noncombus-
tible Material may be
Applied as Facing to
the Black Fireplace
Surround
Hearth Extension
FP559CR
Fig. 17 Minimum clearances to combustibles.
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CR Series Woodburning Fireplaces
Mantel Clearance -
No Noncombustible Facing Material
Mantel Clearance -
with Noncombustible Facing Material
Combustible
Mantel and
Trim
12"
(305mm)
Max.
Combustible
12"
(305mm)
Max.
Mantel and
Finished Wall
Header
Finished
Wall
Trim
Header
1¹⁄₂"
1¹⁄₂"
Standoff
Standoff
12"
(305mm)
Min.
12"
(305mm)
Min.
Noncombustible
Material
Noncombustible Material
Ledge Bracket
Ledge Bracket
Radiant Surround
Radiant
Surround
Face
Face
6"
*
(159mm)
Min.
Noncombustible
Facing Material
Fireplace Opening
Fireplace Opening
Stud
Finished Wall
Top View
* Minimum width from top of
surround to bottom of screen
rail
7/16"
Fireplace
Front
Must be Sealed with Non-
combustible Material
FE101a
Fig. 18 Fireplace surround flush with finished wall.
Face Plate
*
1¹⁄₂"
Ref.
* *
Combustible materials are
permitted within a shaded area
shown in Figure 20, titled
Minimum Wall Clearances.
* 12” from top of fireplace opening
** 6” from top of fireplace opening.
(Noncombustible material must sepa-
rate the black face surround of the
fireplace and any combustible mantel
material)
Fig. 19 Combustible mantel clearances.
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CR Series Woodburning Fireplaces
Hearth Installation
Finish Wall
Finish the wall with material of your choice. Do not
install a combustible mantel shelf less than 12”
(305mm) from the top of the fireplace opening. Do
not install a mantel face plate less than 6” (159mm)
from top of fireplace opening. (Fig. 18) If a combus-
tible material is used below a flat mantel shelf, consult
your local building codes for minimum clearance from
top of fireplace opening to bottom of mantel shelf.
A hearth extension is required to protect a combustible
floor in front of the fireplace. Refer to Figure 20 for
minimum dimensions and mounting detail.
NOTE: Hearth Extension must not cover the air
inlet opening of a fireplace.
The hearth extension described in Figure 20 must be a
durable non-combustible material with a minimum (to-
tal) Rt value of 1.09; refer to Figure 21 for examples.
The overall height (above a combustible floor), depth
and width must be as indicated, with the extension
centered to the fireplace opening.
When finishing the fireplace, a combustible facing ma-
terial (i.e. drywall or wood paneling) may be installed
at the fireplace surround top as shown in Figure 20.
This material may rest on the ledge brackets (brackets
on the front and side edges of the fireplace), but must
NOT be notched to fit around them. (Fig. 20)
The top of the insulation material must be covered with
a noncombustible decorative covering or a piece of
.018” minimum sheet metal, to protect hearth exten-
sion material. (Fig. 23)
All joints (top, bottom and sides), where the wall or
decorative facing material meets the fireplace sur-
round must be completely sealed with a noncombus-
tible material. (Fig. 17, 18, 20)
Secure the hearth extension to the floor to prevent
shifting, using trim molding or other similar means at
three (3) outer edges. Seal crack between the fire-
place hearth and hearth extension with a noncombus-
tible material. (Figs. 22,23)
Only noncombustible material may be applied as fac-
ing to the black fireplace surround.
When finishing the fireplace, never obstruct or
modify the air inlet grille in any manner.
WARNING: HEARTH EXTENSION MUST BE
INSTALLED IN ACCORDANCE WITH FIGURES 20
AND 21.
When finishing the fireplace, use the material of
your choice. If you decide to cover the fireplace
surround, noncombustible materials must be
used.
Alternate noncombustible materials may be used pro-
viding the (total) thermal resistance (Rt value) of the
alternate material employed is greater than or equal to
R = 1.09. Thermal resistance (R) or thermal conduc-
tivity (K), may be obtained from manufacturer of the
material. Factors are related by the formula K = 1/R.
Side Wall Protection
All walls constructed closer than 16” (406mm) from the
fireplace opening must be protected with CFM Corpo-
ration Wall Shield Model SP40 or a built-up wall shield
described in Figure 17.
T = given thickness
(ANY PERPENDICULAR SIDE WALL MUST NOT BE
CLOSER THAN 40” (1016mm) TO THE OPEN END
OF AN OPEN END FIREPLACE.)
R = thermal resistance for a given thickness (T)
K = thermal conductivity
Noncombustible material with a lower R value may
be used, provided thickness of material is sufficiently
greater to maintain an equivalent (total) thermal resis-
tance (Rt).
The built-up wall shield design described in Figure 17
is an alternate method for adding protection to side
walls and can be used in place of the SP40 with the
same wall clearances specified for the SP40.
Example of Determining Hearth Extension
Equivalents
EXAMPLES OF INSULATION:
1. Manville - CERAFORM 126, K = .27, 1/2” thick
required.
To determine the thickness required for any new mate-
2. CFM Corporation Building Products - EH2416, K =
.458, 1” thick required.
rial:
NEW
required
thickness
K of new material (per inch)
K of listed material (per inch)
thickness
of listed
material
=
X
Example for Common Brick
T (new) = 5.0/0.458 x .5 in. = 5.46 in. (new required
thickness).
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CR Series Woodburning Fireplaces
Minimum Wall Clearances
Proposed Parallel Wall
Wall Covering
2x4 Header
- Do Not Notch
at Standoffs
Fig. 18
Wall
Shield
Seal Crack
Between
Fireplace
40” Min.
and Hearth
Extension with
Noncombus-
tible Material
16”
May Install Non-
combustible deco-
rative covering OR
.018” Min. Sheet
Metal
Proposed Perpendicular
Side Walls
FE105
Fireplace
Hearth
Min. Dist.
with SP40
A
Min. Dist. to
Non-protected Wall
B
Combustible
Floor
Model
CR36L
CR36R
12”
16”
Safety Strips
Must Overlap
¹⁄₂” Min.
Minimum
Insulation
Value “R”
Minimum Hearth Extension Dimensions
FS107a
Fig. 22 Hearth extension.
22” Min.
Trim Molding
to Secure
Hearth Exten-
sion
Wall Covering
16”
16”
Noncombustible
Hearth
Decorative Facing
Extension
64” Min.
2x4 Header
Fig. 18
FE106
- DO NOT Notch at
Standoffs
Seal All Cracks Between
Fireplace Surround and
Wall Materials with Non-
combustible Material
Fig. 20 Protection of adjacent combustible side walls and
hearth extension dimensions.
Seal Crack
Between
Fireplace
May Install
and Hearth
Noncombustible
Decorative Cov-
ering OR .018”
Min. Sheet Metal
Extension with
Noncombus-
tible Material
COMMON MATERIALS AND FACTORS
MINIMUM
THICKNESS
Fireplace
Hearth
R
MATERIAL
K*
EH2416
(CFM Corporation)
1.09 0.50 in.**
0.458
Combustible
Floor
Safety Strips
must be
Overlapped
¹⁄₂” Min.
Minimum
Insulation
Value “R”
Common Brick
0.10 5.46 in.**
5.0
FS108
R Value is for ��� inch.
* Units of K = BTU/SQ FT/HR/˚F/IN
** Thickness of Listed Material
Fig. 23 Finish wall treatments and gap sealing.
FP533ADD
Fig. 21 Hearth extension material factors.
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CR Series Woodburning Fireplaces
Installing Line for Gas Logs
Majestic Fireplaces CR36R/L Series fireplace is de-
signed to accept a 1/2” gas line for an approved gas
appliance. (CFM Corporation manufactures a wide
variety of gas logs for use in Majestic Fireplaces.)
Have the appliance installed by a qualified plumber in
accordance with all building codes. The gas connec-
tion enters the fireplace at the end opposite the open
end.
Ceramic
or Metal
Knockout
Hole in
Outer
Casing
Locate the gas line hole in the outer casing of the
fireplace and remove the insulation from the gas line
tube. (Fig. 24)
1"
1”
Hole in Outer
Casing
From inside the fireplace, locate the knockout on
the firebrick. Using a flat bladed screwdriver or small
chisel and hammer, carefully tap around the knockout
until it loosens and falls out.
Min.
Supply Line
Gas
Line
Tube
Repack Insulation
Now, install 1/2” certified gas pipe through the open-
ing. After the gas pipe installation is complete, use the
insulation that was removed from the gas line tube
to repack the space around the pipe. This should be
inserted from the outside of the fireplace and packed
tightly to totally seal between the pipe and the tube.
Ceramic
or Metal
Knockout
1/2"
FP560CR
Fig. 24 Install iron pipe gas line through hole provided in
angled side of fireplace.
NOTE: The gas pipe should not come in contact
with any wood structures until it has reached a
point at least one (1) inch away from the fireplace
side.
CAUTION: WHEN USING DECORATIVE GAS AP-
PLIANCE, THE FLUE DAMPER MUST BE SET IN
THE FULLY OPEN POSITION. IF YOU HAVE GLASS
DOORS ON THE FIREPLACE, THEY MUST ALSO
BE FULLY OPENED.
NOTE: Local codes may require removal of flue
damper when installing any type of gas appliance in a
fireplace.
The gas pipe installation is intended for connection to
a decorative gas appliance only (1) incorporating an
automatic shutoff device and (2) complying with the
Standard for Decorative Gas Appliances for Installation
in Vented Fireplaces, ANSI Z21.60 or CSA draft re-
quirements for Gas-Fired Log Lighters for Woodburn-
ing Fireplaces (Draft No. 4, August 1993).
The decorative gas appliance should be installed
in accordance with the National Fuel Gas Code,
ANSI Z223.1-1988.
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CR Series Woodburning Fireplaces
4
1
b
5b
5a
2
a
c
7
8
9
6
3
10
CFM Corporation reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time,
without notice.
CR36R/L Woodburning Fireplace
Item/Model Number
CR36L
RP102
CR36R
RP102
1. Flue Damper Blade
2. Actuator
20001587
7554338
20000842
7554156
7554181
5584139
20000793
20000792
20000791
7512135
3030172
7579112
20001587
7554338
20001183
7554155
7554181
5584139
20000794
20000792
20000838
7512135
3030172
7579111
3. Screen Assembly (three per fireplace)
4. Screen Rail Assembly
5a. Screen Rod Finished 90°
5b. Screen Rod Finished Straight
6. Screen Pulls (two per fireplace)
7a. Firebrick - Side
7b. Firebrick - Back
7c. Firebrick - Hearth
8. Cable Clips (four per fireplace)
9. Firebrick Retainers
10. Basket Grate
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CR Series Woodburning Fireplaces
Accessories
The following accessory parts can be obtained from Majestic Fireplaces Dealer. The fan kit, top terminations, out-
side air kit, glass doors and hearth patching kits are supplied with installation instructions packaged with the unit.
Should you need additional information beyond what your dealer can furnish, contact CFM Corporation, 2695 Mead-
owvale Blvd. Mississauga, Ontario, Canada L5N 8A3 Attention: Technical Services.
CAUTION: This fireplace and chimney assembly is a highly engineered system and, as such, must be oper-
ated only with CFM Corporation approved components that have been designed as parts of the system. If
you use an unapproved component or make any modifications, you may possibly cause a fire hazard and
will void the CFM Corporation warranty. In addition, such action may void the coverage provided by the
owner’s home insurance.
Accessory
Glass Enclosure
Description
Model No.
Kit
Designed to enclose the CR36L/R
Series fireplace opening with glass
doors, allowing the fire to remain
visible.
36GCKBB
Outside Air Kit
Provides outside air for fuel combus-
tion in the firebox. This accessory
must be installed before the fire-
place is installed.
AK-MST
Wall Shield
Used to protect walls adjacent to the
fireplace.
SP40
Hearth Extension Material
1/2” x 24” x 16” insulation material
for hearth extensions.
EH2416
P325a-d
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CR Series Woodburning Fireplaces
Accessory
Description
Model No.
Chimney Support
Used to support the chimney at each
30 feet of vertical height above the
hearth and at every 6 feet of inclined
chimney run. Each support adds 2¹⁄₂
inches to chimney length.
SKCS8
(8” flue)
Firestop
Required at each floor level and attic
on multi-story installation.
SKFS2A (8” straight flue)
SKFS6A (8” 30° inclined flue)
Top Housings
Gives traditional chimney top look
using simulated brick in red, tan or
white color. Brick pattern is em-
bossed into galvanized steel unit.
Roof flashing is included. Appropri-
ate adapter is required.
S20BR/BT/BW
See Sections 2 and 3.
Housing Extensions
Required to extend Traditional Top
Housings on steeply pitched roofs.
202036
(single flue)
204436
(double flue)
Contemporary Chase Top
Terminations
Used to terminate chimney at the
top of a chase. Flashing is not
included. Appropriate adapter is
required. See Sections 2 and 3.
SLTSK8
or
PLTSK8
PLTSK8
SLTSK8
P325f-j
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CR Series Woodburning Fireplaces
Model No.
Accessory
Description
Contemporary Flashing
Required for contemporary round top
termination on the roof to prevent
rain entry.
8-6-12
(8” flue; 0 to 6/12 pitch)
8-12-12
(8” flue; 6/12 to 12/12/ pitch)
Chimney Sections
(“SK8”)
Used to build “SK” chimney systems.
8” flue
SK81 (1’ long)
SK818 (1¹⁄₂’ long)
SK83 (3’ long)
SK84 (4’ long)
Chimney Elbows
(“SK8”)
Used to develop 30° offset chimney
systems. (Elbows packed 2 per car-
ton - upper and lower elbow set)
SK830-2
(8” 30° flue)
Contemporary
Round Top Ter-
mination
For use with CFM Corporation Type
“SK8” Chimney Systems.
RLTSK8
Used to terminate chimney on the
roof. Flashing not included.
Extended Round Top
Chase Termination
For use with CFM Corporation Type
“SK8” Chimney Systems.
RLTSK8L
Used to terminate chimney at the
top of a chase. Adapter kit included.
Flashing not included.
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CR Series Woodburning Fireplaces
Accessory
Description
Model No.
SKDSBL
or
PKDSBL
Used to terminate chimney at the
top of a chase. Flashing is not
included. Appropriate adapter is
required. See Sections 2 and 3.
Chase Top
CT100
Used to terminate Type “SK8” 2
wall chimney at the top of a chase.
Flashing is not included. Appropriate
adapter is required.
Adapter Kit
CTSK
HPC1
Required to unite Type “SK8” 2 wall
chimney with CT100 chase top.
325p-r
Used to patch cracks in hearth.
Hearth Patching
Kit
Accessories for Canada
Accessory
Description
Model No.
Attic Insulation Shield
Used to prevent insulation from coming
in contact with the chimney system.
CCE-SK
Installs on the “over the chimney collar”
of the fireplace; provides outside air to
assist in cooling the chimney system.
Chimney Collar Enclosure
AIS-SK
Used to build chimney systems ex-
posed above roof.
SK818CAN(1¹⁄₂’ Long)
SK84CAN(4’ Long)
SK8 Chimney Sections
45° Chimney Elbows
Provides 45° offset and return. For
Canadian installatin only. For use with
SK8 chimney only. (Maximum use of 2,
or 1 pair)
SK845/2
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CR Series Woodburning Fireplaces
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LIMITED WARRANTY & 30 YEAR PROTECTION PLAN
For MAJESTIC FIREPLACES® PRE-ENGINEERED Fireplace Systems
operated at all times under normal conditions, use and service
according to the operative instructions furnished with the Fire-
place, and only if and so long as the Fireplace is not removed
from its original installation.
(2) This warranty is non-transferrable, and is made to the
original owner, provided that the purchase was made through
an authorized supplier of the Company.
(3) The sole and exclusive remedies for breach of any war-
ranties hereunder shall be for the repair, replacement or provi-
sion of a replacement part at CFM Corporation then current list
price, FOB CFM Corporation factory, for any defective part as
specified in paragraphs A through D.
(4)CFM Corporation shall not be liable for damage from any
smoking of a MAJESTIC FIREPLACES Pre-Engineered Fire-
place System related to environmental geographic conditions
(such as, for example, nearby structures or roof peaks, trees,
hills, or mountains), inadequate ventilation, or negative air
pressure in the place where the Fireplace system is installed,
related to any mechanical system (such as, for example, fur-
naces, fans, air conditioners, clothes dryers, etc.)
(5) Except as otherwise expressly specified in paragraphs
A through D, NONE OF THESE WARRANTIES COVER, AND
CFM CORPORATION SHALL NOT BE RESPONSIBLE FOR,
ANY CONSTRUCTION, INSTALLATION, LABOR, TRANS-
PORTATION OR OTHER COSTS OR EXPENSES ARISING
FROM A DEFECTIVE PART, ITS REPAIR OR REPLACE-
MENT OR OTHERWISE, NOR SHALL CFM CORPORATION
IN ANY EVENT BE RESPONSIBLE FOR ANY INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES EXCEPT TO
THE EXTENT REQUIRED BY LAW. Some states do not allow
the exclusion or limitation of incidental or consequential dam-
ages, so this exclusion or limitation may not apply to you.
NO IMPLIED WARRANTIES, INCLUDING THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE, SHALL REMAIN IN EFFECT AF-
TER THE EXPIRATION OF THE WARRANTIES SET FORTH
IN PARAGRAPHS A THROUGH D. Some states do not allow
limitations on how long an implied warranty lasts, so this limita-
tion may not apply to you.
CFM Corporation warrants its MAJESTIC FIREPLACES®
Pre-Engineered Fireplace (“Fireplace”) and the CFM Corpora-
tion supplied firegrate, glass doors, outside air system, fan
motor, and liners to be free from defects in material or work-
manship, as follows:
A. Fireplace and Chimney Components: (exclusive of CFM
Corporation-supplied firegrate, glass doors, outside air system,
fan motor, and liners all of which are covered by separate
warranties under paragraphs B through D below): At its option
for a period of thirty (30) years from the date the Fireplace is
installed, CFM Corporation will;
(1) For a period of five (5) years from the date the Fireplace
is installed, CFM Corporation, at its option, will repair or re-
place any defective part without charge.
(2) Thereafter, through the 10th year after the date the
Fireplace is installed, if replacement parts are available, CFM
Corporation will provide a replacement for any defective part
without charge for the part itself. The consumer must pay for
everything else other than the part.
(3) Thereafter, through the 30th year after the date the
Fireplace is installed, if replacement parts are available,CFM
Corporation will provide a replacement for any defective part
at a cost to the consumer of CFM Corporation then current list
price, FOB CFM Corporation factory.
B. Firegrate, Glass Doors, Outside Air System:
For a period of 90 days from the date the Fireplace is
installed CFM Corporation, at its option, will provide a replace-
ment for any defective part, without charge for the part itself,
FOB CFM Corporation factory, (The consumer must pay for
everything else other than the part,).
C. Fan Motor:
(1) For a period of one (1) year from the date the Fireplace
is installed, CFM Corporation, at its option, will repair or re-
place any defective part without charge.
(2) Thereafter, through the 30th year after the date the Fire-
place is installed CFM Corporation, at its option, if replacement
parts are available, will provide a replacement for any defec-
tive part at a cost to the consumer of CFM Corporation then
current list price, FOB CFM Corporation factory.
In order to obtain performance of any of the above warranty
obligations write to CFM Corporation at this address:
CFM Corporation
D. Liners (Refractory or Metal):
(1) For a period of two (2) years from the date the Fireplace
is installed, CFM Corporation, at its option, will repair or re-
place any defective part without charge.
(2) Thereafter, through the 30th year after the date the
Fireplace is installed CFM Corporation, if replacement parts
are available, will provide a replacement for any defective part
at a cost to the consumer of CFM Corporation then current list
price, FOB CFM Corporation factory.
This warranty is subject to the following conditions and limita-
tions:
(1) This warranty is extended only to a Fireplace installed in
the continental United States, the state of Alaska and Canada;
only if and so long as the Fireplace is installed according to
the installation instructions furnished with the Fireplace, and
2695 Meadowvale Blvd.
Mississauga, Ontario, Canada L5N 8A3
Attention: Director of Warranty Services
Since local building requirements may vary greatly through-
out the country, users of CFM Corporation products should
determine in advance whether there are any building code
restrictions on the use of a specific product. CFM CORPO-
RATION MAKES NO REPRESENTATION OR WARRANTY
REGARDING, AND SHALL NOT BE RESPONSIBLE FOR,
ANY BUILDING CODE COMPLIANCE.
The foregoing warranties give you specific legal rights and
you may also have other rights which vary from state to state.
23
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CFM Corporation
2695 Meadowvale Blvd. • Mississauga, Ontario, Canada L5N 8A3
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