Mould, green algae and black lichen stains on my patio, stone paving or walls.


The Stone Doctor recommends our “Stontex All-In-One Outdoor Cleaner” which is an acid-free cleaner that removes all types of organic stains from natural stone, concrete, tarmacadam and decking.  A 5 litre bottle should be enough to clean an average 30-50 square metre area.

The Stone Doctor recommends that all natural stone, concrete and brick should be sealed once the material is clean and dry.

You have two choices:

To work out how much sealer you will need please see our Coverage Rates.


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