No, in most instances, heat shrink tubing is easy to install.

Polyolefin Shrink Tubing is a popular selection among the heat shrink tubing family because Polyolefin is flame-retardant and possesses good chemical, electrical and physical properties. In general, Polyolefin Tubing is a reliable all purpose heat shrink product and is UL recognized. The shrinkable tubing is also available in many different styles for various uses. However, depending on application, another heat shrink tube may work better for your requirements.

Heat shrink tubing is used to replace insulation, for strain relief, bundling, and for color tubing. Shrinkable tubing is a great way to protect electric wires and cables from harmful elements such as water, oils, acids and other environmental hazards. Shrinkable Tubing is an alternative to customary methods of insulation and may be used in a variety of applications

Heat Shrink Tubing, also called shrinkable tubing, is a tube that contracts when warmed. When heat is applied to the tubing, the adhesive material inside of the tube is activated. The adhesive material then secures it to the wire or cable. The process allows the wire or cable and the heat shrink tube to become one unified product.