A roller gate (2) of the type which is typically used in gateways (4) in industrial buildings such as freezing houses or the like, where the gate or door leaf (6) by opening is rolled up around a reel system (8) operated by a driving mechanism (10), and where the gate or door leaf (6) consists of one or more layers of a flexible artificial web such as a reinforced tarpaulin web of PVC or polyester, where said one or more layers of said gate or door leaf (6) at a first side (12) of the gate or door leaf are factory-tailored with transverse directed pockets (14) and with a smooth surface at an opposite side (16) of the gate or door leaf (6) -as said first side (12) of the gate or door leaf (6) is facing inwards when rolled up around said reel system (8). By simple provisions may hereby be achieved very important improvements in the operation of the roller gate or door during daily use where a great number of trucks are passing in and out to and from a freezing house or room. In this connection it is very import
