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D. Frame the Fireplace
NOTICE:
Hearth extension design must be determined
before installation of fireplace.
If the fireplace is placed on the floor the maximum height
of a finished raised hearth is 5-3/4 in. If you want a higher
raised hearth the fireplace must be placed on a platform.
WARNING! Risk of Fire!
ances specified.
• A minimum 1/2 in. (13 mm) air clearance must be
maintained at the back of the fireplace assembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
WARNING! Risk of Fire!
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
Figure 3.5 shows a typical framing (using 2 x 4 lumber)
of the fireplace, assuming combustible materials are
used. All required clearances to combustibles around the
fireplace must be adhered to. See Figure 3.2. Any framing
across the top of the fireplace must be above the level of
the top standoffs. (No recess above standoffs.)
CAUTION!
Risk of Cuts/Abrasions. Wear protective gloves
and safety glasses during installation. Sheet metal edges
are sharp.
Figure 3.5
12
Heat & Glo • BAY-40, PIER-40 Installation Manual • 4012-071 • Rev D • 10/03/13
Comply with all minimum clear-
You must comply with all
2 in. (51 mm) minimum air space
clearance to enclosure
Mantel
47-1/8 in. (1197 mm)
Header Height
BAY-40
Framing the Fireplace
E. Secure and Level the Fireplace
This fireplace may be placed on either a combustible
or noncombustible continuous flat surface. Follow the
instructions for framing in Section 3. Slide the fireplace
into position. Be sure to provide the minimum 1/2 in. air
clearance at the back of the fireplace.
The fireplace should be positioned so the face of the non-
combustible material on the fireplace will be flush with the
face of the drywall on the walls.
Level the fireplace and shim as necessary.
WARNING! Risk of Fire!
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the back of
the fireplace assembly.
2 in. (51 mm) minimum air space
clearance to enclosure
12 in. max.
(305 mm)
PIER-40
Prevent contact with sagging,
Mantel
12 in. max.
(305 mm)
47-1/8 in. (1197 mm)
Header Height
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