Made in the USA Product: White Vinyl Foam Core laminated between two layers of highly reflective radiant barrier foil. Contact Temperature Range: -60°F To 180°F (-51°C To 82°C) Water Vapor Transmission: .02 Perms**** Puncture Resistance: 60 Lbs. Per In.*** Pliability: No Cracking Linear Shrinkage: None Mold And Mildew: No Growth Flame Spread: 0 Astm E84-08 Smoke Development: 40 Astm E84-08 Fire Rating: Class A / Class 1 Reflectivity: 95% Motor Vehicle Safety Standard 302: Zero Surface Burn Rate Emittance: 0.04**** Benefits:  100% Made in USA  Only Energy Star Rated Foam Core Reflective Insulation on the planet!!!  Blocks radiant heat by up to 95%  Reduces Heating and cooling loss  Foam Core Sound Reduction Technology  Saves you Energy and Money  Easy to use and install  Requires no protective clothing or special tools  Requires no maintenance  Highly Durable, Lasts Longer  Meets new ASTM Fire codes