Made from a highly specialized grade of Acrylic Adhesive These tapes do not have adhesion failure even when exposed to high levels of moisture and humidity. It is also referred to as Sheathing Tape.Gaffer tapes are well known for their durability, strength, and high weather resilience. In most cases, they are not only resistant to water but also to heat, UV, and other factors that can rapidly weaken, loosen, or deteriorate other types of tapes.