MOBILE ACCOMMODATION AND BORDER DEVICE

A mobile accommodation, particularly a recreational accommodation such as a boat, camper or caravan, comprises a room enclosed by walls (), wherein at least one of the walls comprises an opening () in which an optionally transparent window is arranged. Arranged on a first side all around the opening () is a casing frame () in which the window is mounted. A border device () is provided all around the opening on an opposite side. The casing frame () and the border device () are connected to each other for axial adjustment transversely of the wall () while enclosing a wall part of the wall. The border device () comprises a relatively stiff frame body () which carries on a side facing toward the wall a flexible skirt () and lies sealingly against the wall therewith.