Cold Insulation

Just like hot insulation materials, some of the materials used to produce cold insulation vary dependent upon the system of pipes they are insulating. Therefore, the materials used in either hot or cold insulation are dependent on the customization of the particular piping system. Two common materials used in cold insulation are:

  • Polyurethane Foam: Perfect for handling low thermal conductivity and substances with below freezing temperatures. Polyurethane foam also allows for low smoke emission and low water vapor permeability.
  • Rubber Foam: Rubber foam is also often recommended for condensation control as the closed cell technology is highly resistant to moisture vapor.

With chilled insulation, keeping the cold in is as important as keeping the heat out. There are many types of insulation used on chilled water pipes. The two most popular are foam glass and rubber insulation or Armaflex. Although a little more difficult to work with than pre molded fiberglass, when installed correctly, these materials do a great job of stopping condensation and preventing energy loss.

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