There are benefits and disadvantages to using butyl tape, as with any materials and tools. Let’s start with the pros:
Here at Swift, we stock a number of different electrical tapes. Some are adhesive, some are not and somewhere in the middle are our self-fusing tapes. These don't stick to surfaces but they do stick to themselves.
Black PVC electrical tape is a type of adhesive tape made from polyvinyl chloride (PVC), a synthetic plastic polymer. It is designed specifically for electrical insulation and protection. The tape is coated with a pressure-sensitive adhesive that ensures strong bonding with various surfaces, which is critical for creating secure electrical connections.
Self-bonding rubber tape, often referred to merely as rubber tape, is an innovative solution that has transformed the way we think about sealing, insulating, and repairing various materials. This unique type of tape is characterized by its ability to bond to itself without the need for adhesives, making it an invaluable tool in numerous applications, from electrical work to plumbing and beyond.
Commercial Control Boxes

Rubber tapes repel moisture and are a great solution for outdoor applications or in manholes where water may occasionally seep in.