Abstract: For facing a bathtube, an apron (3) of foam plastic is hooked into the tub edge (5) and secured to the adjoining structural elements (1, 20), in particular by means of assembly foam which, after introduction into the openings (9, 11), swells out through openings in the end face.

Abstract: The present invention relates to an insulated one-piece roof for use over heatable rooms comprising at least three layers, the first layer being a solid or other load-bearing construction, the second layer being an insulating board and the third layer being a prepared roofing, said one-piece roof further characterized in that the characteristics value .mu..multidot.s where .mu. is the diffusion resistance index and s is the layer thickness of the constituent material of the vertically adjacent layers, decreases outwardly, said prepared roofing being firmly joined to the underlying insulating board and having a characteristic value .mu..multidot.s of less than 4 m.