Garage Door Reflective Insulation Kit (Made in the USA) R-Value= 8.0 Reflective Double Sided 2 Layer Bubble Insulation Light Weight, Flexible and Easy to install Roll is 48"W x 10 Long (40 sq ft) Thermal value is unaffected by humidity or moisture Made in the USA Product: Double Bubble 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 Blocks radiant heat by up to 95% Reduces Heating and cooling loss 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