The category of "Finishing by joining" accesses finishing options, which are realized by means of a joining process. In the presented under this category four techniques invariably comes only the "firm joining" the application. Here is a connection between two layers produced by a substance (various adhesives), builds the adhesion between these layers. Basically the joining belongs to DIN 8580 as a sub-group of manufacturing technology.
The two layers in the film lamination are papers and foils of various kinds, for laminating the paper is sandwiched between two sheets, so there are a total of three layers together.