Figure 27
OFFSET CHIMNEY INSTALLATION
Rain Cap
Collar
Roof Flashing
Offset Support
Insulated Wall
Radiation Shield
Framing
2” x 3”
Figure 28
Roof Support
Note: In cold areas it is recommended to
protect the chimney in a insulated chase.
Straps
Chimney ACBI
ACBI Starter Section
Straps
Outside Wall
OFFSET CHIMNEY INSTALLATION WITH WALL PENETRATION
Support
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.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
18
Summary of Contents for BIS Tradition BISTRAD
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