A bath or shower tray must also be properly sealed to prevent consequential damage caused by spilling water and to follow the recognised rules of technology. With the DURABASE ET-S complete set, you have everything you need for sealing when installing a bathtub: 3 metres of bathtub sealing tape, 1 inner corner, 3 metres of sealing tape. Tub joint tape, 1 internal corner, 3 running metres of sound insulation strip. sound insulation and cut protection roll, because even the best silicone joint has to be replaced at some point due to age.