Duct tape is a versatile, cloth-backed, pressure-sensitive tape commonly used for sealing, binding, and temporary fixes. Originally developed for industrial sealing, its combination of a fabric scrim, a polyethylene or polymer coating, and a tacky adhesive gives it strength and flexibility. Today duct tape appears in homes, workshops, and creative projects. This article clarifies what duct tape is, how it differs from clear tape, why adhesive type matters, practical repair uses, and common DIY applications, so you can choose the right tape for the job.