The most commonly used solution. A dry environment is considered to be a room where atmospheric moisture does not exceed 80% on average and where long-term or frequent and repeated contact with water does not occur (except during regular cleaning of the walls with a damp cleaning squeegee). 
The sanitary partition system Elmaplan CP13 is a design system that utilizes high-pressure laminate panels, sometimes known as compact or HPL, which are coated on both sides with melamine foil. Solid walls of 13mm thickness are fitted with U-shaped anodized aluminium sections and are connected horizontally at the top with an elegant crossbar reinforcement section. 