Check the listing for details. SmartSHIELD -3 Reflective Insulation roll, Foam Core Radiant Barrier - 3MM. Condition: New. Listed at 36.99 USD. HEAVY DUTY PRODUCT THAT YOU WAS LOOKING FOR!!!CUSTOMERS SATISFACTION GUARANTEED!!! EXTREMELY EFFECTIVE - reflect 97% of radiant energy, perfect RADIANT BARRIER. SOUND BARRIER - excellent soundproofing material. VAPOR BARRIER - Unaffected by humidity and moisture, mold resistant , can be used outdoor/indoor.SUPREME QUALITY - 3 mm closed-cell polyethylene foam, laminated with 99% aluminum foil on both sides.FIRE RATE - Fire rate Class 1 / Class A, NON TOXIC - will not irritate skin, eye or throat. Non allergic. THIS IS NOT A CHEAP DOUBLE BUBBLE REFLECTIVE INSULATION, WE HAVE A SUPREME QUALITY REFLECTIVE FOAM CORE INSULATION, FOAM CORE RADIANT BARRIER, COMMERCIAL GRADE!!! WHERE TO INSULATE? Steel Buildings / Metal Buildings,POLE BARNS, Shed, Fish & Hunting Shelter, Attics, Ceilings,Walls, Roofing, Concrete Floor, Radiant Heat in a Concrete Floor, Radiant Heating Under a Wood Floor, Cathedral Ceiling, Water Heater Tank, Radon Barrier, Water Pipe and Air Duct,Reflective Ceiling System,Behind a Hot Water Radiator, Crawl Space, In Ground Swimming Pools, Cooling Room,Cold Chamber or Wine Cellar, Concrete Block Wall, Cavity Wall for Metallic Studs in Commercial Buildings, Foundation Wall, Above Ground Swimming Pools,Quanset Hut, House Wrap.