Selleys Wet Area Silicone Sealant gives a superior waterproof and mould resistant seal. Designed for sealing wet areas such shower screens, baths, spas, sinks and plumbing fixtures, it has a built in fungicidal protector to stop the growth of black mould and fungus. It comes with a 25-year guarantee against crumbling, cracking or peeling away. *Not for use on polyethylene, polypropylene or Teflon. Pre-test plastics before use.