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// CODE SNIPPET

504.3.15 Multistory Common Vents

Fuel Gas Code 2018 of Colorado > 5 Chimneys and Vents > 504 (IFGS) Sizing of Category I Appliance Venting Systems > 504.3 Application of Multiple Appliance Vent Tables 504.3(1) Through 504.3(7) > 504.3.15 Multistory Common Vents

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Where used in multistory systems, vertical common vents shall be Type B double wall and shall be installed with a listed vent cap.

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