White patches or streaks on the exterior concrete wall

 

A Stontex cleaning product called “Cement & Grout Residue Remover” will remove efflorescence / lime stains from most materials except limestone, marble or travertine which are acid sensitive.

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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