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PRE-INSTALLATION NOTES
The BM36ST is a unique two-sided fireplace and
requires certain minor variations from the nor-
mal framing procedures for both new construc-
tion and remodeling. In some cases, surface
headers may be installed above the fireplace face
so that necessary clearances will be maintained
between the chimney and framing members.
The fireplace may be installed directly on a
combustible floor or raised on a platform of an
appropriate height. Do not place fireplace on
carpeting, vinyl or other soft floor coverings. It
may, however, be placed on flat wood, ply-
wood, particle board or other hard surfaces. Be
sure fireplace rests on a solid continuous floor
or platform with appropriate framing for sup-
port and so no cold air can enter room from
under the fireplace.
WARNING: IF INSULATION IS USED, THE
FIREPLACE MUST NOT BE PLACED
AGAINST IT. INSULATION OR VAPOR
BARRIERS, IF USED, MUST BE SECURED
TO ASSURE INSULATION AND VAPOR
BARRIERS REMAIN IN PLACE.
WARNING: DO NOT PACK OR FILL THE
MINIMUM REQUIRED AIR SPACES WITH
INSULATION OR OTHER MATERIAL. NO
MATERIAL IS ALLOWED IN THESE AREAS.
The fireplace must be positioned, and then
the framing built around it.
Usually, no special floor support is needed for
the fireplace, however, to be certain:
1. Estimate the total weight of the fireplace
system including chimney and surround ma-
terials such as brick, stone, etc., to be in-
stalled. Shipping weights for the fireplace may
be found on page 17.
2. Measure the square footage of the floor
space to be occupied by the system, sur-
rounds and hearth extensions.
3. Note the floor construction, i.e. 2 x 6's, 2 x
8's or 2 x 10's, single or double joists, type and
thickness of floor boards.
4. Use this information and consult your local
building code to determine if you need addi-
tional support.
CAUTION: DO NOT BLOCK THE HEAT-CIRCU-
LATING AIR INLET AND OUTLET PORTS ON
CIRCULATING MODELS. DOING SO MAY RE-
SULT IN A POTENTIAL FIRE HAZARD.
CAUTION: THE STRUCTURAL INTEGRITY OF
THE MANUFACTURED HOME FLOOR, WALL,
CEILING AND ROOF MUST BE MAINTAINED.
The firestop thimble supplied with the unit
must be used on a manufactured home instal-
lation. The firestop thimble must extend com-
pletely though the roof cavity to the outermost
plane of the roof ( See Figures 23,24 and 25 ).
Maintain 2" clearance between the thimble and
the chimney.
If you plan to raise the fireplace and hearth
extension, build the platform assembly then
position fireplace and hearth extension on top.
Secure the platform to the floor to prevent
possible shifting.
CLEARANCES
Minimum clearance to combustibles for the
appliance is as follows: sides - ¹⁄₂" (13 mm),
floor - 0" (0 mm), adjacent wall - 12" (305 mm),
ceiling - 37 ¹⁄₂" (953 mm).
INSTALLING THE FIREPLACE
IMPORTANT: Plated polished brass glass
doors may have a plastic covering over all
brass pieces for protection during shipping
and handling. The plastic covering should be
removed after installation of the fireplace
before its use. Under the plastic covering is
a protective lacquer coating which should
not be removed. In some instances, if it is
removed, irreversible damage to the brass
finish could occur.
Step 1. Slide the fireplace into its final position,
for later framing construction.
The fireplace may not be recessed into a com-
bustible floor. Maintain the floor to hearth
clearance established by the fireplace lower
front face.
Step 2. Insert the provided metal safety strips,
beneath the fireplace as illustrated ( Figures 5, 6
and 7 ). The safety strips should overlap ¹⁄₂" for
continual coverage of the floor.
Note: Safety strips are not required when fire-
place rests on a noncombustible surface.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
1/2" (13 mm)
Clearance To
Both Sides
Hearth
Extension
Floor
Metal Safety Strips
Figure 5
1/2" (13 mm)
Clearance To
Both Sides
Hearth
Extension
Floor
Metal Safety Strips
Figure 6
Note: Install the hearth extension only as illus-
trated.
The safety strips should extend from front of
the fireplace at least 1 ¹⁄₂" and should extend to
be at least flush with the sides. In the event a
wooden support is used to elevate the fire-
place above the floor, a "Z" type safety strip
should be fabricated and used to protect the
front surface of the wood support as well as
the floor beneath the hearth extension ( see
Figures 7 and 8 ). The safety strips should be
tacked down to prevent possible movement.
Note: The "Z" type safety strip is not supplied.
Step 3. Refer to fireplace drawings and specifi-
cations on pages 6 and 7 for framing dimensions
and details. Frame appliance enclosure as illus-
trated in Figures 10 through 13 on page 7.
IMPORTANT: UNDER NO CIRCUMSTANCES
CAN THE FIREPLACE TOP SPACERS ( SEE
FIGURE 9 ) BE REMOVED OR MODIFIED, NOR
MAY YOU NOTCH THE HEADER TO FIT
AROUND OR BE INSTALLED LOWER THAN
THE SPACERS. THE HEADER MAY BE IN DI-
RECT CONTACT WITH THE TOP SPACERS
BUT MAY NOT BE SUPPORTED BY THEM.
Hearth
Extension
Hearth
Extension
5
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