Forever White is a superior silicone sealant that is permanently waterproof and flexible and ideal for sealing: shower bases and cubicles, wetrooms, around baths, sinks and basins. It is also ideal for use in kitchens and utility rooms and for sealing around window and door frames. With Microban the worlds leading branded anti-bacterial solution integrated into the manufacturing process, Forever White is guaranteed to stop black mould growth for 10 years. Conforms to ISO 11600.