EVERBUILD FOREVER GREY SILICONE - FOREVER WHITE containing Microban actively prevents the growth of bacteria, mildew and black mould that are commonly found in areas of high humidity. With Microban the worlds leading branded anti-bacterial solution integrated into the manufacturing process, Forever White is guaranteed to stop mould, mildew and bacterial growth. Forever White is independently tested and certified by an independent microbiological laboratory to show no mould growth after more than 10 yrs simulated ageing. Forever white is permanently waterproof and flexible and is produced from a superior silicone formula. Colour: Clear, White, Grey, & Ivory. Everbuild Forever Sealant is a superior silicone sealant that is permanently waterproof and flexible. Ideal for sealing shower bases and cubicles, wet rooms, 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 Mould Shield, an anti-bacterial solution integrated into the manufacturing process Forever Sealant is guaranteed to stop black mould growth for 10 years.