EVERBUILD FOREVER WHITE® contains Mould Shield which actively protects the sealant against the growth of bacteria, mildew and black mould that are commonly found in areas of high humidity. EVERBUILD FOREVER WHITE® is permanently waterproof and flexible and is produced from a superior silicone formula. EVERBUILD FOREVER WHITE® is tested and certified by an independent microbiological laboratory to show no mould growth after more than 10 yrs sim