Everbuild forever white clear amp ivory sealant everbuild easiforeverwe 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 forever white is independently tested and certified by an accredited microbiological laboratory to show no mould growth after more than 10