If you’ve noticed black, grey or brown areas on your painted surface, chances are you’re dealing with a mould problem.
Possible Cause As with mould anywhere, interior mould is caused by moisture. It’s often found on areas that are damp, receive little natural light and are poorly ventilated (bathrooms, kitchens and laundries). Mould is more likely to occur after use of a lower quality paint, failure to prime bare wood before painting, or if you’ve painted over a layer of mould without removing it.
Solution First, test for mould by applying a few drops of household bleach to the discoloured area. If it disappears, it is probably mildew. Remove it by scrubbing with a diluted household bleach solution (one part bleach, three parts water). Be sure to wear rubber gloves and eye protection. Then, rinse thoroughly, allow to dry, prime and apply one or two coats of top quality paint like Dulux Wash&Wear® Plus+ Kitchen and Bathroom. Where possible, install an exhaust fan to help prevent re-growth.
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