The professionals know the "instructions for the realization of sealing per coating and coating on tile and paving in
interior and outside" * (edition of valid January 2005 as from January 2006). These craftsmen appreciate the strength to the moisture of the panels wedi. One often uses the panels of 50 mm for the shower screens. The 12,5 mm thickness is largely used in the place of
panels of plasterboard or second layer on panels of plasterboard.