White patches or streaks on the exterior stone wall / paving


A Stontex cleaner called “Cement & Grout Residue Remover” will remove efflorescence / lime stains from most materials except limestone, marble or travertine which are acid sensitive. A Hannafin cleaning product called “Skavenja Cleaner” can also be used on the stone wall or paving.  This is a non acidic gel designed to safely remove these stains from acid sensitive materials.

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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