Note: This excerpt is only a portion of a larger, Referenced Standards document and out of context may not include all information needed for use. Also, it may not reflect the most current building code requirements. The Referenced Standard, in its entirety, may be available for purchase from the International Code Council at http://shop.iccsafe.org.
711.4.3.1 Noncombustible penetrating items.
Noncombustible penetrating items that connect not more than three stories are permitted provided that the annular space is filled with an approved noncombustible material to resist the free passage of flame and the products of combustion.
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