SmartSHIELD -3mm 24"x50Ft Reflective Insulation roll, Foam Core Radiant Barrier, Thermal Insulation Shield, Commercial Grade - Engineered Foil

All in One Product: Insulation, Radiant Barrier, Vapor Barrier, Sound Barrier, Air Barrier. Insulation: R-Value 15.32 Radiant Barrier - Reflects 97% of radiant energy. Vapor Barrier: Prevents condensation, unaffected by humidity and moisture, mold resistant. Air Barrier: Stops air leaks. Supreme Quality: 3mm closed cell polyethylene FOAM sandwiched between highly reflective Engineered Foil on both sides. Easy to Work With: Easy to install, easy to cut, strong but lightweight. Non Toxic: Will not irritate skin, eye or throat. Non allergic.