Chimney And Termination Requirements; Chimney Requirements - Vermont Castings SB60 Installation Manual

4

Chimney and Termination Requirements

A. Chimney Requirements
Vertical distances are measured from the base of the
fireplace as shown in Figure 4.1.
Table 4.1 Chimney Requirements
Minimum overall straight height
Minimum height with single offset/
return
Double offset/return minimum height
Maximum height
Maximum chimney length between an
offset and return
Maximum distance between chimney
stabilizers
Maximum unsupported chimney
length between the offset and return
Maximum unsupported chimney
height above the fireplace
Maximum unsupported chimney
above roof
Table 4.2 Chimney Component Dimensions
HEIGHT OF CHIMNEY COMPONENTS
US Canada ONLY
Chimney Stabilizer
SL11
Offsets/Returns
SL1130
Chimney Sections*
SL1106
SL1112
SL1118
SL1136
SL1148
n/a
* Dimensions reflect effective height.
16 VCG Biltmore Series • SB60/SB80 • 4013-300 Installers Manual • Rev A • 02/18/15
18 ft
18.5 ft
24 ft
90 ft
20 ft
35 ft
6 ft
35 ft
6 ft
in. mm
SL4 4-3/4 121
SL430 14-1/2 368
SL406 4-3/4 121
SL412 10-3/4 273
SL418 16-3/4 425
SL436 34-3/4 883
SL448 46-3/4 1187
SLA10 16-3/4 425
NOTICE: A maximum of two pairs of offsets and returns
may be used.
WARNING! Risk of Fire!
mm) air space clearance to insulation and other
combustible materials around the chimney sys-
tem. Failure to do so may cause overheating and
5.49 m
fire.
5.64 m
NOTICE: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
7.32 m
not dislodged the chimney section from the fireplace or at
27.43 m any chimney joint.
6.1 m
10.67 m
1.83 m
6 ft (1.8 m) max.
unsupported run
10.67 m
20 ft (6 m) max.
pipe between an
offset & return
1.83 m
Attic Insulation
Ceiling Firestop
11-10 in./279-254mm
adaptor required in
CAK required in Canada
but not shown
55-1/2 in.
(1410 mm)
Effective Height
(bottom of fireplace
to top of starter collar)
Figure 4.1
You must maintain 2 in. (51
6 ft (1.8 m) max.
unsupported chimney
above roof
Shield
Canada

Chimney Requirements

35 ft (10.7 m)
max. straight
unsupported
chimney height
18.5 ft (5.6 m) min. height
single offset-return
24 ft. (7.3 m) min. height
double offset-return
90 ft (27.4 m) max. height