MEETS OR EXCEEDS ALL ASTM C1313 STANDARDS including Class A Fire Rating (E84 with E2599 mounting). Corrosion resistance according to D3310 is achieved by a proprietary clear coating applied to the Metalized Aluminum surface. Pliable, non-toxic, and fungi resistant. Both sides 95% reflective. According to the Department of Energy, homeowners can expect up to 45% cooling savings depending on the climate, current amount of insulation in the attic, and household energy use. Many of our customers have experienced higher results, but these results have not been verified by a third party. Just as your ceiling and roof retain heat during the summer, they release heat during the winter as the hot air rises and escapes through your ceiling and roof.