Saturday, October 15, 2011

Thermal Insulation


Thermal insulations are materials or combinations of materials that, when properly applied, retard the flow of heat energy by conductive, convective and/or radiative transfer modes. Thermal insulations can be fibrous, particulate, film or sheet, block or monolithic, open-cell or closed-cell, or composites of these materials that can be chemically or mechanically bound or supported.

By retarding heat flow, thermal insulations can serve one or more of the following thermal functions :
  1. Conserve energy by reducing heat loss or gain of piping, ducts, vessels, equipment, and structures;
  2. Control surface temperatures of equipment and structure for personnel protection and comfort;
  3. Help control the temperature of a chemical process, a piece of equipment, or a structure;
  4. Prevent vapor condensation on surfaces with a temperature below the dew point of the surroundingatmosphere;
  5. Reduce temperature fluctuations within an enclosure when heating or cooling is not needed or available;
  6. Reduce temperature variations within a conditioned space for increased personal comfort;
  7. Provide fire protection.
Thermal insulation can serve additional function, although such secondary functions should be consistent with its capabilities and primary purpose. Under certain conditions, insulations may :
  1. Add structural strength to a wall, ceiling, or floor section;
  2. Provide support for a surface finish;
  3. Impede water vapor transmisson and air infiltration;
  4. Prevent or reduce damage to equipment and structures from exposure to fire and freezing conditions;
  5. Reduce noise and vibration;
  6. Reduce growth of mold and mildew.


Cavity Wall Insulation GRANTS & Loft Insulation GRANTS
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