While there is no best way to clean walls before painting most walls can be washed using a sponge and warm water.
How to clean bathroom wall for painting.
With a minimum of effort you can get a fantastic payoff.
Dust and clean the walls.
Bathrooms are small and full of water from various sources and they receive lots of heavy use.
A small brush if it was brushed on a roller if it was rolled on etc.
Rub that sponge vertically down the wall working one section at a time.
Dip a sponge in the water and wring it out completely to avoid leaving streaks.
To clean walls that are painted with flat paint mix a few drops of dish detergent with a half gallon of water.
How to prepare bathroom ceiling walls for paint.
When painting a bathroom or kitchen wash the walls with a solution of approximately three teaspoons of laundry detergent to one gallon of water.
Bathrooms can be steamy wet and stinky rooms and that can play havoc with wall and ceiling paints.
For most surfaces use a towel or a vacuum cleaner.
But painting the bathroom is a bit different than painting other areas of the home.
If the wall has stubborn stains or marks that can t be removed by cleaning you may need to conceal it with touch up paint.
In addition when cleaning your walls start at the top of each wall and work your way down to prevent dirty water and cleaning solutions from dripping down onto previously cleaned walls.
The old coatings may even be stained by mold.
Painting a living room or bedroom is a familiar project to most do it yourselfers.