Universal And Green

The information that follows is provided by Energy Star

Reflective insulation, also called a radiant barrier, is a metallic foil material (usually aluminum) designed to block radiant heat transfer across open spaces. Reflective insulation is most effective at reducing cooling bills in hot, sunny climates. However, in some cases (special installations) the product can help reduce heating bills as well. Keep in mind, the effective (calculated) R-value of the product will vary depending on the direction of heat flow (up, down, sideways).The performance and long-term cost-effectiveness of the product depends on number of factors, including where the product is installed, how the product is installed, and the amount of existing insulation currently in the home. TheU.S. Department of Energyand theFlorida Solar Energy Center (FSEC)have excellent and detailed web sites that explain how the product works, general guidance on the best way to install the product, which climates the product is most cost effective, and energy savings that can be expected.

Radiant barriers/reflective insulation (the metallic foil product) can earn the ENERGY STAR label as insulation.Paints and coatings used as radiant barriers can not earn the ENERGY STAR label at this time.