Radiant Barrier Insulation Radiant barrier insulation, when installed in an attic, effectively acts as a barrier to the outside elements. For example, when the sun shines down on your home, the heat from the sun gradually enters the house from the attic. This type of insulation helps deflect the heat back outside, saving you from extremely hot temperatures and a lot of money by reducing air-conditioning usage.

Install radiant barrier insulation in your attic by following five simple steps:

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