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.
711.3.3 Ducts and air transfer openings.
Penetrations of fire-resistance-rated walls by ducts and air transfer openings that are not protected with fire dampers shall comply with this section.
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