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3.8 Compliance of a Combustible Mantel Shelf
To ensure compliance of an existing mantel
shelf or to install a combustible mantel
shelf, refer to table and figure in this
section. For example, a mantel shelf with a
6'' depth (152 mm) ((C) value) must be
installed at least 48" (1219 mm) ((B) value)
above the bottom of the fireplace (see
figure and tables in this section). Different
mantel shelf dimensions are listed in the
following table. However, no combustible
mantel shelf can be installed at less than
48" (1219 mm) above the bottom of the
fireplace. If the depth of the mantel shelf is
not listed in the table below, add 42" (1067
mm) to the depth of your mantel shelf to
obtain the safe positioning of your mantel
shelf. For example, for a 9" (229 mm)
mantel shelf, the safe positioning would be
51" (1295 mm) above the bottom of the
fireplace 42" (1067 mm) + 9" (229 mm)).
A
24
CLEARANCES
72" (1829 mm)
SHELF POSITIONING
B
48" (1219 mm)
50" (1270 mm)
52" (1321 mm)
54" (1372 mm)
ME300 ‐ Installation and Operation Manual
C
6" (152 mm)
8" (203 mm)
10" (254 mm)
12" (305 mm)
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