Optimal deep-freeze single door solutionAir permeability class 5 according to DIN EN 12426Frames and laths thermally separatedAlmost hermetically sealed.Opening up to 2,0 m/sClosing up to 0.5 m/sU value up to 0,62 W / m2KUp to 200,000 operating cycles p.a.Standard sizes of up to w=4,500 mm, h=6,000 mm