POLIISO® AD is a yellow thermal insulation panel made of rigid, closed-cell PIR foam, expanded between two embossed aluminum supports. The panels declares λD values of 0,022 W/mK according to European standard EN 13165, compressive strength values ≥ 150 kPa and a fire classification of EUROCLASS E according to European standard 13501-1. The panels have a standard size of 600 x 1200 mm and thicknesses of 20-160 mm.