3M™ VentureClad™ Enhanced Metal Jacketing 1577CW-EMJ is an all-weather option for various jacketing applications. It offers high resistance to weathering, mold, UV and extreme environmental conditions. This multi-layered laminate tape is designed to provide zero permeability and act as a vapor barrier. The additional clear coat layer of protection makes it more resistant and durable. Zero-permeable jacketing for insulated HVAC ductwork and pipes to protect against moisture, mold, ultraviolet (UV), and extreme environmental conditions. Backed by a 10-year 3M warranty when applied per 3M installation guidelines. It comes in silver smooth. 3M™ VentureClad™ Heavy Duty Enhanced Metal Jacketing 1577CW-EMJ is an all-weather option for various jacketing applications. It offers high resistance to weathering, mold, UV and extreme environmental conditions. This multi-layered laminate tape is designed to provide zero permeability and act as a vapor barrier. The additional clear coat layer of protection makes it more resistant and durable. Zero-permeable jacketing for insulated HVAC ductwork and pipes to protect against moisture, mold, ultraviolet (UV), and extreme environmental conditions. Supported with 3M installation guidelines.