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ul assembly

  1. eyan50495

    Basic Question on UL Assemblies

    This is a very basic question I haven't really thought about - when is a UL assembly actually needed? I always assumed only when there was a need for some fire rated assembly? And in all other cases, i.e. a non-rated Type VB construction, we didn't need a UL assembly and could create wall types...
  2. N

    Adding Sound Barrier to UL Listed Assemblies

    Per IBC Section 721.1, “Where materials that change the capacity for heat dissipation are incorporated into a fire-resistance-rated assembly, fire test results or other substantiating data shall be made available to the building official to show that the required fire-resistance-rating time...
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