Constructed of polyethylene film laminated to cloth with a rubber adhesive, this durable tape resists curling and tears off the roll cleanly for easy application in MRO/construction. Our 3M™ Heavy Duty Duct Tape 3939 has a unique construction that allows for permanent and temporary applications. - 3M heavy-duty duct tape 3939 has the tensile strength and adhesion for splicing, masking, patching, seaming, hanging poly sheeting, sealing PVC pipes, covering trip hazards and a host of other industrial applications. Industrial applications include hanging polyethylene drapes for containment activities, masking and sandblast overspray protection.