8Chimney Assembly
Notice: Chimney performance may vary.
•Trees, buildings, roof lines and wind conditions affect performance.
•Chimney height may need adjustment if smoking or overdraft occurs.
Chimney must extend beyond combustible roof structure
Maintain minimum height of chimney above roof
Install roof flashing according to minimum requirements
Offsets/returns may not exceed 30° from vertical
Lock chimney sections together firmly to resist movement
Termination Cap
Additional support for tall chimneys
Storm Collar
Maintain minimum clearances to combustibles as specified
Support straps for returns must be secured to adequate framing
Offsets and returns must be secured with the screws provided (outer pipe only)
Ceiling firestops are required where chimney passes through ceiling or floor
Figure 8.1 Typical Chimney System - Guidelines for Chimney System Installation
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