These requirements cover closure systems for use with factory-made rigid air ducts or air connectors complying with the Standard for Factory-Made Air Ducts and Air Connectors@ UL 181. Closure systems consist of pressure sensitive tapes@ heat-activated tapes@ and mastics. Closure systems are intended for use with rigid air ducts installed in accordance with the International Mechanical Code (IMC)@ International Residential Code (IRC)@ International Energy Conservation Code (IECC)@ Uniform Mechanical Code (UMC)@ Standard for the Installation of Air Conditioning and Ventilating Systems@ NFPA 90A@ and the Standard for the Installation of Warm Air Heating and Air Conditioning Systems@ NFPA 90B; and/or other Model codes.
181A-2013由UL - UL 发布于 2013-01-08,并于 2017-03-24 实施。
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