Forever Grey 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 the worlds leading branded anti-bacterial solution integrated into the manufacturing process, Forever Grey is guaranteed to stop black mould groWT for 10 years. Forever Grey is independently tested and certified by an accredited microbiological laboratory to show no mould groWT after more than 10 years simulated ageing. Forever Grey now also contains an Anti-Bacterial additive which kills germs.