does sugar soap kill mould?


Sugar Soap is commonly used for cleaning surfaces in preparation for painting.

Sugar soap is a generic term and its makeup varies a little from country to country but generally it contains an alkali substance (sodium carbonate), an abrasive substance, an organic solvent, and water.

Sugar soap is a cleaning agent and can be effective for removing stains, grease, and loose paint flakes.

Sugar soap can also rejuvenate painted surfaces but you need to be very careful to avoid removing too much paint or damaging the surface.

It can be useful for removing odours and mould stains but will not kill the mould or the mould spores. Sugar soap will also not kill mould lurking behind walls, under floorboards or in ceiling cavities.

If you’re using it in its liquid form you’ll need to be very careful to avoid getting power outlets wet or letting it drip onto more delicate surfaces such as furniture and fabrics.

To sum up:

Sugar soap is a highly effective cleaner and is particularly useful for preparing surfaces for painting but it is not designed for killing mould.

Sugar Soap will not penetrate porous substances and kill mould at the roots nor will it kill airborne spores.

If you have a mould problem you need to call in the Mould Cleaning Australia experts who will use specialised tools and techniques to kill the mould right at the roots.

They will also identify and eliminate the source of your mould problem permanently.

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Wikipedia Reference:


Sugar soap, as typically found in Commonwealth countries, is a cleaning material of variable composition sold for use on surfaces affected by greasy or tarry deposits which are not easily removed with routine domestic cleaning materials. Its name arises from the fact that, when in dry powder form, it resembles table sugar.

The solution is alkaline and its uses include cleaning paintwork in preparation for repainting.