Poly Super
POLYSHIELD POLY SUPER is an excellent Fire-Retardant double-sided superior reflective insulation composed of two high-performing, high-reflective pure aluminum foils covering 5.00 mm white bubbles (10 mm diameter). The aluminum foils come with 3% emissivity (tested to American Society for Testing and Materials Standards) and 97% reflectivity, for effective reduction of radiant heat.