Treating stains and mildew
It would be perfect if a fresh coat of paint, especially over a good primer, would cover stains, water marks and mildew. In fact, when the paint is still wet, it may appear to cover as it dries. However these stains will seep through and you’ll end up with a fresh coat of stained paint. Before you prime or paint remove stains and mildew. It takes elbow grease, but cleaning will save time in the long run because you won’t have to repaint. Regular household bleach diluted with water is extremely effective in destroying the spores that cause mildew. Water stains need to be fixed at the source before you repair the wall or ceiling.
Stuff you’ll need
Water, household bleach, primer and paint, TSP solution. Tools needed include a bucket rubber gloves, 4 foot stepladder, some old clothes, safety goggles and or glasses, large round cornered sponge, rollers and brushes.
What’s the real problem? Anytime mildew or stains are present on your walls, it’s a sign of a much larger problem. Find the source of the moisture that’s causing the staining and fix it.
Safety alert! Beware of what you breathe. Do not mix bleach with other household cleaners. Household cleaners often contain ammonia, which reacts with bleach to produce toxic fumes.
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