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smoke damper

  1. S

    HVAC: Isolation smoke damper - '68 NYC Code

    In the 1968 NYC Building Code, there's a reference to "isolation smoke dampers" that is causing a bit of a stir. What is an isolation smoke damper and where must it be installed? I'm not sure why the '68 code is being used in this case but it is. Even the 2008 and 2014 NYCMC (IMC based codes...
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