Patent 9303407 was granted and assigned to national coatings corporation on April, 2016 by the United States Patent and Trademark Office.
A cool roofing system includes highly reflective calcined kaolin particles having a solar reflectance of 80% to 92%. When applied to a roofing substrate, the highly reflective kaolin particles produce a roofing system having a solar reflectance greater than or equal to 70%.