A process for installation of surface elements (1), the surface elements (1) comprising a core, a decorative upper surface (3) and edges (2) provided with joining means for mechanically locking the surface elements (1) together. Predetermined portions of the edges (2) are provided with a glue which is present on the edges (2) of the surface elements (1) in a passive dry form and which may be activated by applying a liquid. The surface elements (1) are joined to each other by use of the joining means wherein a unit of a plurality of surface elements (1) is formed.