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Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. A • 6/06
10
Fire Risk.
Hearth extension required to protect
combustible floors in front of appliance.
WARNING
• An 8 inch minimum hearth extension must be
constructed of non-combustible material.
E. Hearth Extension
Figure 3.6 Hearth Extension Dimensions
AB
Cerona-36
in. 41-1/8 8
mm 1045 203
Cerona-42
in. 48-1/8 8
mm 1222 203
A
B
NAILING TABS
(BOTH SIDES)
Clearance to covered combustible hearth extension
Clearance to exposed combustible hearth extension
1 in.
(25 mm)
8 in.
(203 mm)
WOOD OR OTHER
COMBUSTIBLE
FLOOR OR PLATFORM
MARBLE, GRANITE, TILE OR
OTHER NON-COMBUSTIBLE
HEARTH EXTENSION
BOTTOM OF
FIREPLACE
Figure 3.7
Figure 3.8
6 in.
5-1/4 in.
(152 mm)
MAY BE
COMBUSTIBLE
MATERIAL
BOTTOM OF
FIREPLACE
COMBUSTIBLES UP TO
1 INCH THICK ALLOWED
UNDER THE OPENING
WOOD OR OTHER
COMBUSTIBLE
FLOOR OR
PLATFORM
(133 mm)
(6 inch Minimum to top surface of combustible
floor or floor covering.