Provide a higher insulation value--down to -297 degrees Fahrenheit--by using flexible elastomeric insulation. Its application on air conditioning and cold water pipes is of particular value. The product features the same type of self-sealing adhesive. Some products also have an antimicrobial compound that protects against mold. Most tubular insulation products offer easy installation because you can cut the ends and butt them together to make a mitered corner on a variety of pipe configurations.