Everbuild Forever Clear Anti-mould Silicone Sealant is designed for sealing your bathroom and kitchen; once applied, Forever Clear Silicone Sealant protects against the growth of mould, mildew and bacterial growth to the sealant. Forever Clear is permanently waterproof and flexible as well as being specifically designed for application in areas subject to high humidity and condensation. As a, long-lasting sealant, the waterproof and flexible properties have been specifically designed to function in environments of high humidity and condensation where maximum hygiene protection is required. This silicone sealant features Mould Shield an anti-bacterial solution that provides up to 10 years of protection against mould and discolouration. (Certified by NAMMAS accredited microbiological laboratory to show no mould growth after more than 10 Years simulated ageing).