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Outdoor Lifestyles • ODMEZG-36 Installation Manual • 4601-901 Rev. B • 10/17
E. Hearth Extension
WARNING! Risk of Fire!
Hearth extension required
to protect combustible floors in front of appliance.
WARNING! Risk of Fire! DO NOT
block ventilation
slots.
A minimum 1/4 in. space between the bottom of
hearth refractory and top of field installed hearth exten
-
sion (marble, tile, granite, etc) is required across full width
of fireplace.
If the appliance is to be placed directly on the floor, the
non-combustible hearth material will be limited to 3/4 in.
thick, including the floor adhesive. If the hearth mate
-
rial will exceed 3/4 in. thick, the appliance will need to
be shimmed from the floor appropriately to maintain 1/4
in. minimum space between the floor hearth and hearth
refractory.
The base of the fireplace may sit on a combustible sur
-
face. The area in front of the fireplace must be protected
by a noncombustible hearth extension, unless the fire
-
place is raised a minimum of three inches above the com-
bustible floor or hearth. See Figures 3.7 and 3.8.
Figure 3.8 Non-Combustible Zone
Figure 3.7 Fireplace Positioned on Combustible Surface
17 in.
(432 mm)
3-1/2 in.
(89 mm)
27-3/4 in.
(705 mm)
24 in.
(610 mm)
6 in.
(152 mm)
66-1/4 in.
(1683 mm)
WOOD OR OTHER
COMBUSTIBLE FLOOR
OR PLATFORM
MARBLE, GRANITE, TILE OR
OTHER NON-COMBUSTIBLE
HEARTH EXTENSION
3/4 in. MAX
8 in.
HEARTH
REFRACTORY
BOTTOM OF
FIREPLACE
NON-COMBUSTIBLE
MATERIAL ON SIDES
(PROFILE VIEW)
MINIMUM
1/4 in. SPACE
REQUIRED
NOTE:
No combustibles in this area between the
two walls.
