40 ft Dobtim Foam Foil Pipe Insulation Wrap This insulation wrap is designed to fit around pipes with an inner diameter, providing thermal insulation and protection against condensation. The foam material helps to reduce heat loss or gain, while the foil layer acts as a vapor barrier and reflects radiant heat. Easy to install, this pipe insulation wrap is a practical solution for insulating both hot and cold water pipes, preventing freezing, and improving energy efficiency in residential, commercial, and industrial applications. Upgrade your insulation with this today!