5 Chimney Assembly
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 offsets/ returns must be secured to adequate framing
Ceiling firestops are required where chimney passes through ceiling or floor
Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation
NOTE:
•Chimney performance may vary.
•Trees, buildings, roof lines and wind conditions affect performance.
•Chimney height may need adjustment if smoking or overdraft occurs.
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