For Existing Attics...Spray applied E-Barrier by Sherwinn Williams.

Radiant barrier OSB decking and spray applied Sherwin Williams E-Barrier Thermal shield systems are proven to help reduce attic radiant heat that transfers to a cooler attic, cooler home and reduced electric use. All claims of energy savings are based on manufacturers independent laboratory testing and are not created, modified or inflated by Weatherseal Systems. Every application has different variables involved that will affect the final savings and performance of any product. These products are proven to work in combination with proper attic insulation levels and are top level performers. It is simply not possible to offer our customers an accurate percentage of savings based on all the parameters of each individual project.