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OFFSET CHIMNEY INSTALLATION
Support
Starter Section
Straps
Figure 37
OFFSET CHIMNEY INSTALLATION WITH WALL PENETRATION
Rain Cap
Framing
2" x 3"
Figure 38
24
*
Chimney AC
Straps
NOTE: This illustration is
not to scale. It represents
how the chimney must be
supported. A 30 degree
offset only is allowed in
the USA and a 45 degree
maximum offset is allowed
in Canada.
Collar
Roof Flashing
Offset Support
Insulated Wall
Radiation Shield
NOTE: In cold areas it is recom-
mended to protect the chimney
in a insulated chase.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
ANGLED WALL RADIATION SHIELD
When traversing a combustible wall with the chimney at a 30º or 45º
angle, an angled firestop or wall radiation shield must be installed. Only
one is required.
NOTE: 45º angle for Canada only (
In cold climate locations (climates where temperatures will fall below 32°
F / 0° C), we recommend that you use the insulated wall radiation shield
ACRS
since it will maintain the home's thermal barrier.
Security Chimneys
RSM+ and RSMI30
(RSMI45 - Canada Only)
Chimney Model
ASHT+ * / HT6103+ *
(6" dia). Canada only
DuraTech DTC **
(6" dia). Canada only
S-2100+ * / HT6000+ * /
AC (6" dia).
Table 5
*
Drywall
Figure 39
*
RSMI45
/ 6DTC-S45
*
DuraVent
®
6DTC-WTI and 6DTC-S30
(6DTC-S45 - Canada Only)
Angle
Hole Size
30º
283 mm x 781 mm (11-1/8" x 30-3/4")
45º
283 mm x 518 mm (11-1/8" x 20-3/8")
30º
283 mm x 781 mm (11-1/8" x 30-3/4")
45º
283 mm x 518 mm (11-1/8" x 20-3/8")
30º
327 mm x 881 mm (12-7/8" x 34-11/16")
30º
380 mm x 972 mm (15" x 38-1/4")
Insulated Wall
Angel Wall Radiation
Shield (Insulated)*
*
Available from Security Chimneys
**
Available from DuraVent
)
**
®
®
®
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