Additional Details ------------------------------ Product description: Solid Radiant Vapor Barrier Heat Shield Sauna Attic Foil 150qft (2) 3ft x 25ft Super R Radiant Barrier provides these important advantages: Non-toxic/Non-carcinogenic Easy to handle Installation requires no special tools or clothing Does not promote the growth of fungi or bacteria Provides no nest support for rodent or insect pests Requires no maintenance Product Specifications Meets ASTM C1313 Standard Specifications for Sheet Radiant Barriers for Building Construction Applications Product Description Two-sided reflecting metalized film with polyethylene woven reinforcement Weight 29.5 lbs per 1000 sq ft roll Tensile/Tear Strength Length: 13.23 pounds force Width: 13.98 pounds force ASTM D2261 Pliability 70°F±5°F & 50±5% Relative Humidity – No Cracking or Delamination ASTM C1313-05 Adhesive Performance 180°F±5°F & 50% Relative Humidity – No Bleeding or Delamination ASTM C1313-05 Flame Spread & Smoke Class A/ Class 1 0 Flame Spread, 5 Smoke Development ASTM Method E84-10 Resistance to Fungi PASS – No Growth ASTM C1338-08 Permiability 6.29 Perms ASTM E96-05 Thermal Properties EMISSIVITY: 0.05 REFLECTIVITY: 99.3% ASTM C1371-04a