The total system for flat installation Less is more. The shower tray with styrofoam support is an impressive example of this principle. With an installation height (shower surface with styrofoam support), the product can be integrated into the bathroom environment with a minimal increase in access. The entire system consists of a shower surface and styrofoam support, which are available in seven different sizes. In addition, the shower surface can be equipped with the Kaldewei surface finishes.