Mirror assemblies according to the present invention comprise a mirror (1) and a facing panel (2) with a sealed gas space (5) therebetween. The mirror (1) may be a mirror comprising a glass substrate (10), a silver coating layer (11) and at least one paint layer (12), or a mirror comprising an organic mirror film (14) bonded to a substrate (13). In the case of a glass mirror, the at least one paint layer (12) faces the sealed gas space (5) and in the case of a mirror comprising an organic mirror film (14), the mirror film faces the sealed gas space (5).