The open-cell construction of this melamine insulation makes it lightweight for easier installation. This insulation doesn't contain CFCs, carcinogens, or fibers, making it environmentally friendly, good for use in clean room applications, and typically able to be installed without protective gear. It also has low smoke and flame properties, and dampens sound. Use to help ensure stable process temperatures and freeze protection in a wide variety of hot and cold liquid systems. Insulation is preslit for easy installation on existing systems.