Tempshield BB-STD203 Double Bubble White & Foil Reflective Insulation - 500 Sq Ft Roll

48" Width - TempShield™ Double Bubble White⁄Foil reflective insulation is two layers of 5⁄32" barrier bubble film laminated between one layer of foil and one layer of white polyethylene. (Nylon Reinforced). DESIGNED to be used for commercial or metal buildings where aesthetics is of primary importance. The purpose for installing TempShield™ Double Bubble White⁄Foil in a concrete slab application is two-fold; first, it acts as a vapor retarder and second, it provides a thermal break. The thermal resistance of TempShield™ product under concrete is based on testing done on a calibrated hotplate using ASTM 518 test procedures. The thermal resistance is R-1.1.Features Clean, Lightweight, Easy To Install. White Appearance. Saves Energy and Money. Dimension - 24 x 24 x 48 in. - SKU: IINS004