The above video highlights why sealing is so important and how you can profit from the wedi system to get this properly solved. Flush to floor showers are popular with adults and children. No wonder, because they are an architecturally beautiful and practical solution. As flush to floor showers are always subjected to water, a particular attention must be paid to ensuring that they remain watertight. In this tutorial, the experienced bathroom planner will address this aspect and above all pay attention to the correct choice of substrate. Sealing systems approved throughout Europe give certainty to everyone involved. They can be recognised by the CE marking on the packaging or applied to the product itself.