22
87D0176
B36LA8 & B36RA8 Woodburning Fireplaces
You
must
check your local building codes to determine
specific requirements for your city or state.
NOTE:
Other building materials may be required in addition to
Firestop Spacers.
CHIMNEY OFFSET AND CAP INSTALLATION
&0
MULTISTORYOFFSET
Continue chimney through roof
and install round chimney cap
or chimney housing
Firestop Spacer 1
C\v
” Minimum Air
Space Clearance at Joist.
Chimney Must Be Enclosed in
Accessible Areas
Diagonal Chimney
Enclosure
RISE
Firestop Spacer
14
Z\x
” x 14
Z\x
”
Maximum four (4)
elbows Per Fire-
place
Offset Max 10’
Support Straps
Diagonal Chimney
Enclosure
Vertical Chimney Enclosure
Recommended.
Diagonal Chimney Enclosure
Acceptable
Fasten All Support
Straps Securely
Vertical Chimney
Enclosure
Support Straps Not
to Penetrate Firestop
NOTE:
Four (4) elbows
may be used when total
installation height ex-
ceeds 21 ft.
2” Min. Air Space
Clearance to
Combustibles
2” Min. Air Space
Clearance to
Combustibles
Firestop Spacer 1
C\v
” Minimum Air
Space Clearance at Joist.
Vertical Chimney
Enclosure
2” Min. Air Space
Clearance to
Combustibles
FP2170
Figure 21
17”
22
56QE
”
7
56M
”
30°
7
6QE
”
FP1894
firestop spacer
8/08
Figure 22
Centerline of
Chimney