MHSC SSTB11 Installation, Operation And Maintenance Manual page 16

SSTB11 Woodburning Fireplace
Figure 17
Firestop
Spacer
Figure 18
Support Straps Not
to Penetrate Firestop
Vertical Chimney
Enclosure
Fasten All Support
Straps Securely
Vertical Chimney Enclosure
Recommended.
Diagonal Chimney Enclosure
Acceptable
Diagonal Chimney
Enclosure
Support Straps
Offset Max 10'
NOTE: Four (4) elbows may be
used when toatl installation height
exceeds 24 ft.
Maximum four (4) elbows per
Fireplace
16
17"
22 "
7 "
Centerline of
30°
Chimney
FP1894
firestop spacer
Continue chimney through roof
C L
8/08
and install round chimney cap
or chimney housing
Firestop Spacer 2" Minimum Air Space
Clearance at Joist
Chimney Must Be Enclosed
in Accessible Areas
Vertical Chimney
Enclosure
Firestop Spacer
RISE
C L
CHIMNEY OFFSET AND CAP INSTALLATION
Figure 19
7 "
Storm Collar
Flashing
Roof
2" Minimum Air
Space Clearance
to Combus-
tibles with use of
Firestop
Diagonal Chimney
Enclosure
Firestop Spacer 2"
Air Space Clearance
to Combustibles
FP2186
Continue chimney to proper
C L
height and install round chimney
cap or chimney housing
Firestop Spacer as
Required
Fasten Support Straps
Securely
NOTE: Two (2)
elbows may be used
when total installation
height exceeds 13'
FP2185
87D0174