OPEL PLUS KEYSTONE Owner's Manual
8
RSF Woodburning Fireplaces
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WARNING: COMBUSTIBLE FRAMING IS NOT PERMITTED IN THE SPACE DIRECTLY ABOVE THE
FIREPLACE. THE ONLY EXCEPTION IS FOR FRAMING USED TO SUPPORT THE FACING MATERIAL AND
MANTEL. THE AREA ABOVE THE FIREPLACE MUST BE FREE OF COMBUSTIBLES FOR AT LEAST THE
HEIGHT PROVIDED IN TABLE 1(C).
Table 1 Unit Dimensions and Clearances
A Distance of combustible material from side, back and top standoffs
0"
(0,0 mm)
B Minimum distance of side wall to the side of the firebox opening
16"
(406 mm)
C
Minimum ceiling height: measured from the base of the
fireplace to the lowest point of the ceiling above the fireplace.
Applies both to the inside and outside of the fireplace
enclosure.
sealed enclosure
vented enclosure
7'
6'
(2,13 m)
(1,83 m)
D Minimum chimney height: minimum total chimney height from fireplace top to
below the chimney rain cap
12'
(3,66 m)
E Maximum chimney height: maximum total chimney height from fireplace top to
below the chimney rain cap
40'
(12,19 m)
F Maximum chimney height supported by the fireplace
18'
(5,47 m)
G Minimum depth of non-combustible hearth extension: from the front of the fireplace
18"
(457 mm)
H Minimum width of non-combustible hearth extension: total width, must be centered
on the firebox opening
42"
(1,07 m)
I Minimum width of the spark guard
36"
(914 mm)
J Maximum mantel depth (see Table 2 for other mantel sizes)
12"
(305 mm)
K
Minimum height of a combustible mantel above the top of the firebox opening:
from the highest point of the firebox opening to below the combustible mantel (see
Table 2 for other installation heights) (refer to the "Installation: Mantel" section for
particulars)
36 ½"
(927 mm)
L Minimum distance of combustible wall materials above the fireplace facing from
the firebox opening (other than the combustible mantel shelf, see J and K above)
39 ¼"
(997 mm)
