8.6 mil (0.22 mm)

3M™ Heavy Duty Duct Tape 3939 is composed of waterproof polyethylene film over cloth scrim backing with a rubber adhesive used for demanding duct tape applications. HIGH STRENGTH CONSTRUCTION: Designed for use in heavy-duty maintenance, repair, and construction applications CLEAN REMOVAL: Cleanly peels off of opaque, non-glass, indoor surfaces for up to one month RELIABLE…