THE SINGLE BEST STRATEGY TO USE FOR ALUMINIUM FOIL INSULATION

Can everyone stage to a piece in any of your ICC code famly that requires the diffuser to be secured?This was added into the 2012 IMC demanding the duct tape to be "shown" but is not really construed to mean that it has to be labeled over the face from the tape as is needed UL 181A or B as utilized on UL listed manufacturing facility flexable duct