Patent ID: 8733420

Claim:
A rolling door ( 10 ) for closing an opening in a wall separating two different temperature zones from one another, one zone belonging to a cold store, comprising: a door leaf ( 22 ), which can be moved in front of the wall opening, wherein the door leaf ( 22 ) comprises a plurality of layers ( 28 a - e ), wherein at least one of the layers ( 28 b, c ) is formed by insulation made of heat-insulating material, and a heater for heating at least one door component, wherein the door leaf ( 22 ) of the rolling door ( 10 ) comprises at least one electrically operated door-leaf-heating device integrated in at least one of the layers ( 28 d ), the at least one electrically operated door-leaf-heating device being a radiant heater that runs at least substantially parallel to a front side or rear side ( 30 , 32 ) of the door leaf ( 22 ), and wherein the door leaf ( 22 ) is heated at least in certain regions by the at least one electrically operated door-leaf-heating device.