Radiant Barrier System

Publication Type:
Fact Sheet

Published / Updated:

A radiant barrier system, or RBS, is installed primarily to improve comfort and reduce energy use for mechanical cooling in hot climates. A radiant barrier system is comprised of a sheet of reflective foil placed next to an air space, such as an attic. A properly installed RBS can block up to 95% of the heat transfer from the roof to the attic insulation, resulting in a cooler living space and less cooling load.

Energy bill savings resulting from an RBS will vary, but studies show that typical savings are between 8-12% of annual cooling costs.

Download this fact sheet from Build It Green to learn about radiant barrier systems including the following topics:

  • Installation techniques
  • How a radiant barrier system works
  • Product forms
  • Radiant barrier system placement and installation

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