Nashua 1.89 in. W X 60.1 yd L Silver Duct Tape

Nashua 557 PRO-GRADE is UL code approved for sealing Class 1 flexible (181B-FX) duct joints and connections. With a polyethylene-coated cloth backing printed for easy inspection and a durable rubber adhesive, Nashua 557 is the ideal choice for sealing flexible duct work, dryer vents, and for heavy-duty household repairs. Nashua Trusted Tapes get the job done right, the first time, every time. Meets code requirements for sealing flexible air ducts and connections. Can contribute toward satisfying EA Credit 1 (Optimize Energy Performance) under LEED. High strength to withstand duct system pressure. Resistant to moisture and mold. High strength and durable. Conformable to wrap ducts for an effective seal. 181B-FX printed for easy inspector identification. Can contribute toward satisfying EQ credit 4.1 (Low Emitting Materials) under LEED.