Remove any large accumulations of moss, mould or algae using a stiff brush and sweep up surface debris.

Apply Thompson's Patio and Paving Cleaner using a brush, low pressure spray or watering can fitted with a rose. Scrub the surface with a stiff brush and leave for 10-15 minutes

Wash off thoroughly with a brush or hose, ensuring all residues are washed away to maintain and protect the newly cleaned patio coat with Thompson's Patio and Block Paving Seal