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// CODE SNIPPET

2113.11.2.3 Multiple Passageway

Building Code 2018 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.11 Flue Lining (Material) > 2113.11.2 Concrete and Masonry Chimneys for Medium-Heat Appliances > 2113.11.2.3 Multiple Passageway

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Concrete and masonry chimneys containing more than one passageway shall have the liners separated by a minimum 4-inch-thick (102 mm) concrete or solid masonry wall.

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