FAQ: What kinds of joints are available, and how many will I need?


The Champion Duct® Joining System includes the Interference Joint, Straight Socket, Gasket Joint (Triple Seal), And Tight Lock Joint plus various sleeve couplings and adapters. For information on which joints to use by application, and National Electrical Code (NEC) guidelines, visit our catalog. Champion Fiberglass can advise you on your joint purchase in relation to your project specs.