Ronseal Thompson's Advanced Patio & Block Paving Cleaner kills moss, mould and algae on most garden surfaces. Active ingredients lift dirt and grime, reviving and brightening the surface to leave it looking like new.

Its enhanced Moss Guard Technology forms an effective protective barrier, preventing moss and mould regrowth for up to 6 months.

Coverage: 15-20m² per 5 Litres.