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AC179 Metallic HVAC Duct Enclosure Assemblies—Approved June 2012, editorially revised Feb 2014 (PDF Download)
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AC179 establishes guidelines for evaluation of rigid or flexible fire-protection enclosure systems that are installed on or as part of metallic HVAC ducts, yielding an alternate to required fire-resistance-rated shafts which are required to be protected from both internal and external fire exposure.
| Description: | AC179 establishes guidelines for evaluation of rigid or flexible fire-protection enclosure systems that are installed on or as part of metallic HVAC ducts, yielding an alternate to required fire-resistance-rated shafts which are required to be protected from both internal and external fire exposure. |
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| Pages | 4 |
| Code Year | - Other - |
| Publisher | ICC-ES |
| Language | English |