Using a combination of insulation materials and vapor barriers on refrigeration piping can provide enhanced performance and protection. For instance, combining a high-thermal-resistance insulation material with a durable vapor barrier can provide superior temperature control and moisture protection. Additionally, using a combination of materials can help to mitigate the limitations of individual materials, providing a more robust and reliable system. This approach can also help to reduce maintenance costs and extend the lifespan of the refrigeration piping.