MHSC SB50HB Installation, Operation And Maintenance Manual For Residential Installation page 10

Woodburning fireplace
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SB50HB Series Woodburning Fireplace
Single Story Installation with attic Space
Chimney Cap
Storm Collar
Flashing
18' Min. 
17"
Square
Opening
in Joist
Figure 7
FP1881 
single story install 
Preferred Location
8/08 
Figure 8
10
Flue Outlet Height
3' Min. or 2' Above
any Point within 10'
Attic Space
See Table
1 for Roof
Opening Size
Firestop Spacer
(2" Air space
Clearance to
Combustibles)
Chimney
Sections
2" Minimum Clear-
ance to Combus-
tibles
FP1881
Poor
Location
FP1882
Figure 9
INSTaLLaTION preparaTION
INSuLaTINg FIrepLaCe eNCLOSure FOr
COLd CLIMaTeS
If you live in a cold climate, it is not required but highly
recommended that you insulate the fireplace enclosure to
eliminate cold air penetration as much as possible.
Insulate base of fireplace with a noncombustible insulation
rated for a minimum of 300° F. Insulating is very important for
outside wall installations over a concrete slab. If fireplace is
installed on a platform, insulation should be placed on top of
the platform before fireplace is set. Figure 6
When a fireplace is installed in a chase or on an outside wall,
enclosure should be treated like any outside wall in a home.
Insulation should be installed on the inside wall as well as the
outside wall(s). In a chase, it is also a good idea to install a
firestop at the first ceiling level above the fireplace and enclose
the chase with sheeting material. Insulation may then be in-
stalled above sheeting material to assure the space around
the fireplace is totally protected. Figure 6
CauTION: WHeN INSTaLLINg a FIrepLaCe IN aN IN-
SuLaTed eNCLOSure, Be Sure aLL requIred aIr
SpaCeS are MaINTaINed. Figures 7 & 9
Chimney Cap
Storm Collar
(Included with cap)
Flashing
17" Square
Opening in
Max.
Joist
Installation
Height -
86 ft.
17" Square
Opening in
Joist
17" Square
Opening in Joist
Multiple Story Installation
Flue Outlet Height
3 ft. Min. 
See Table 1 for
Roof Opening
Size
Firestop
Spacer (2"
Air Space
Clearance to
Combustibles)
2" Clearance to
Combustibles (Min.)
Firestop
Spacer
Firestop
Spacer
FP1883 
Attic Space
Third Floor
Area
Second
Floor Area
First Floor
Area
FP1883
87D0058

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