Patent ID: 8539720

Claim:
A method for repairing a wall structure ( 202 ) of a sanitary unit of a cabin comprising at least an inner metal sheet ( 406 ) forming the wall surface of the sanitary unit, an outer metal sheet ( 402 ) and an insulator layer ( 404 ) between the inner and outer metal sheets, which method comprises at least the following steps removing the inner metal sheet ( 406 ) in such a way that installation frames formed on the inner metal sheet are left in the wall structure, removing the insulator layer ( 404 ) from a place where the inner metal sheet has been removed, installing a wall element ( 420 ) comprising a metal sheet ( 422 ), an insulator layer ( 424 ) attached to the metal sheet and fast connectors ( 432 ) for sanitary fixtures in the place of the removed wall structure in such a way that the edges of the metal sheet ( 422 ) of the wall element are placed overlappingly with the installation frames.