E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F15/00—Flooring
E04F15/02—Flooring or floor layers composed of a number of similar elements
E04F15/022—Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material, e.g. board, concrete, cork
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F15/00—Flooring
E04F15/02—Flooring or floor layers composed of a number of similar elements
E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
E04F15/041—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a top layer of wood in combination with a lower layer of other material