Easily seal around worktops, basins, sinks, shower trays and shower units with Bond It S3 Sanitary Sealant. This high-performance sealant provides good adhesion to glass, ceramics, melamine laminates, sanitary plastics, anodised aluminium, lacquered and primed metals, painted timber, painted plaster, and primed or painted concrete. It contains a biocide to resist mould growth.