Check the listing for details. NASATEK Reflective Foam Core Insulation Pipe HVAC Duct Wrap (21"x100'). Condition: New. Listed at 118.88 USD. Item Description: US Energy Products Supershield NASATEK 1/4 Inch Reflective Both Sides Foam Core InsulationThis Roll Size: 21inches wide by 100foot long Please check us out on youtube:youtube.com/user/TheLowEInsulation With the appropriate use and installation of our energy saving products one can reduce annual energy costs by 20% or more! Supershield NASATEK 1/4 inch Foam Core Reflective Insulation now with “Sound Reduction” technology dramatically reduces the passage of radiant heat by 95% or more. Made in the USA Product: 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