FOCUS ST Owner's Manual
5
RSF Woodburning Fireplaces
UNIT DIMENSIONS AND CLEARANCES
Figure 1 Dimensions and Clearances
Table 1 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, this does not allow
to fully open the door. To be able to fully open the door without any interference from
the side wall, it must be pushed back at least an additional 10".
9" (229 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
– Refer to Table 2 on page 13 if elbows are present
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
16' (4,88 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
40" (1,02 m)
I
Minimum width of the spark guard
36" (914 mm)
J
Maximum mantel shelf depth
12" (305 mm)
K
Minimum height of a combustible mantel shelf above the top of the firebox opening:
to the bottom of the combustible mantel shelf (refer to the "Installation: Mantel"
section for particulars)
24" (610 mm)
Refer to Table 1 (G)
for minimum depth
of hearth extension
Refer to Table 1
(B) for minimum
distance of side
wall to the
firebox
opening
Refer to Table 1 (H)
for minimum width
of hearth extension
Non-combustible hearth extension
and spark guard (refer to Table1
(I) and text for particulars)
Refer to
Table 1 (J)
for maximum
mantel shelf
depth
Refer to Table 1 (K)
for minimum mantel
shelf height above
the firebox opening
