INS_CUST UL REV E
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5 - FRAMING (MANTEL REQUIREMENTS)
B.1 NON-COMBUSTIBLE ZONE - USING THE PROVIDED 1/2" STANDOFFS
FINISHING HEIGHT
BOTTOM 3” [76] TRIM
COMBUSTIBLE MANTEL
COMBUSTIBLE HEARTH
COMBUSTIBLE FACING
MATERIAL
SINGLE SIDED EXAMPLE: RIGHT SIDE VIEW
APPLIES TO BOTH SIDES AND ENDS IF USING A MULTI-SIDED FIREPLACE
TOP TRIM
TOP OF FIREPLACE
TOP OF TRIM
1/2” [13] CLEARANCE TO COMBUSTIBLES ON SURFACE
The fireplace ships with standoffs in place to ensure a 1/2” clearance
to combustibles is maintained on the surface.
COMBUSTIBLE OR NON-COMBUSTIBLE
BACKING MATERIAL (I.E. SHEETROCK)
COMBUSTIBLE OR
NON-COMBUSTIBLE MATERIAL
1/2” [13]
STANDOFFS
3” [76]
6” [152 mm]
MINIMUM NON-COMBUSTIBLE ZONE
OPEN AIR SPACE
COMBUSTIBLE FRAMING
6”
[152]
3’-7’
8”
[203]
3’-7’
14”
[356]
8’
18”
[457]
6”
[152]
=[mm]
8’
12”
[305]
Figure 5.1
NOTE:
Refer to Section 10 (Finishing The Wall)
for more information.
1/2" [12.7mm] Standoff
The fireplace has standoffs installed on the front of the fireplace standard from the factory. They are located on the
upper left, center and right front of the fireplace and are to ensure that the 1/2" [12.7mm] required clearance to
combustibles on the surface of the fireplace is maintained.
If the standoffs are removed, only non-combustible material can be installed against the surface of the fireplace such
as a non-combustible backer cement board. 1/2” [12.7mm] minimum thickness must be used in the space* between the
top of the 3’’ trim to the combustible framing the full width of the fireplace. The space* includes a 7” [178mm] minimum
above the top of the fireplace that is recommended for ease of attachment. *= 15" [381] for 3'-7' units and 19" [483] for
8' units.
Refer to Figure 5.1 below for a standard installation using the provided 1/2"standoffs.
Refer to Figure 5.2 for requirements when not using the provided 1/2" standoffs.
WARNING! Risk of Fire
Comply with all the minimum clearances as specified.
Note About Mantel Depth:
There are no minimum or maximum
depth requirements for the mantel.
Notes About TV Placement:
A mantel is not required if you are
placing a TV above the opening.
No minimum clearance required for a TV
above the fireplace opening.
Summary of Contents for 34S-20GL
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