Constructed of polyethylene film laminated to cloth with a rubber adhesive, this economical tape resists curling and tears off the roll cleanly for easy application in MRO/construction. 3M™ Extra Heavy Duty Duct Tape 6969 has a unique construction that allows for permanent and temporary indoor applications. It is removable with little or no adhesive residue up to three months after application. - 3M extra heavy-duty duct tape 6969 has a unique construction that allows for permanent and temporary indoor applications. It is removable with little or no adhesive residue up to three months after application. This heavy-duty duct tape is valuable for hundreds of uses in transportation, aerospace, automotive, commercial vehicle, RV, bus, truck, ship yards, military, metal working, furniture, electronics, solar, trailer manufacturing and woodworking industries.