Yes. Our installation instructions are in full compliance with UL and ADC standards. As such, only duct tapes, mastics and non-metallic clamps that are listed and labeled according to the UL-181 standard can be used. Metallic clamps are also allowed. The use of beaded sheet metal fittings is also required.
Duct tape must be marked "UL181B-FX". (established October 20, 1995.)
Mastics must be marked "UL-181B-M". (established October 20, 1995.)
Non-metallic clamps must be marked "UL-181B-C". Limited to 6" w.g. positive pressure. (established May 15, 2004.)