Winco prevents the sun from straining utility bills with Nest, a 3/8-inch reflective insulation blanket that claims to reflect 97% of radiant heat out of the attic and that pads interior walls and ceilings with an R-12.5 layer. Aluminum matting sandwiches an E Glass high-density needled insulation layer for a flexible, waterproof, non-toxic, non-combustible radiant barrier with 90% recycled content. Install with nails or staples. 713.822.2979.