Forever Clear 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 Forever White now also contains an Anti-Bacterial additive which kills germs - E-Coli, MRSA and Salmonella Flexibility Factor/Movement Accommodation expressed as a percentage of the original joint size. Waterproofs Contains Anti-Fungal Compound to prevent mould growth in areas of high humidity Quick curing/drying Interior & exterior use