Professional results that a DIYer can be proud of begins with 558CA Pro-Grade UL Listed Duct Tape by Nashua. This UL Listed tape is UL code approved for sealing class 1 flexible (181B-FX) duct joints and connections. With a metallized laminate backing printed for easy inspection and a uniquely durable rubber adhesive, Nashua 558CA is also approved by the California Energy Commission (CEC) for use on ducts. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.
