Product Description SuperPerf™ 45″ wide radiant barrier is our newest double-sided roll. This product is an AtticFoil™ exclusive and was designed for over-the-insulation installations inside attic spaces in cold/mixed climates. SuperPerf™ is a punched foil (vs the traditional pin-perforations) which allows more … Continue reading 45″ Wide Perforated Double Sided Radiant Barrier Foil – SuperPerf™