How Does Radiant Barrier Attic Insulation Work?
Radiant barrier insulation when installed properly does work to reduce cooling costs in summer. The way that it works it that it reflects radiant heat that makes it through your roof back up toward the roof. It is best utilized on homes with metal or tile roofing and according to manufacturers such as Reflectix can reduce cooling bills by up to 20 percent. Radiant barrier insulation should be a part of a holistic approach to keeping your attic cool which also includes passive venting and active venting using solar roof vents. For more on solar attic vents see. How Solar Roof Vents Work One reason that radiant barrier insulation is so effective is that it is highly reflective of low frequency infrared rays that penetrate the attic. The shiny surface reflects these back upwards and a foam bubble sandwich core also acts as a thermal barrier. Radiant barrier insulation comes in pre-cut rolls from eight to thirty six inches to fit most rafters. It is easily stapled between rafters up agains
