Once the walls dry sand the walls using a pole and disc sander as mentioned above.
What to use to wash down walls before painting.
Pay particular attention to the middle of your walls as this is where you will find most marks and stains.
For other small imperfections on the wall such as plaster bumps smooth them away with sandpaper.
Then wipe them down with a cloth covered broom or mop spray with a dusting agent for best results or use an electrostatic dusting wipe.
Work in small areas washing and then using a soft clean towel to remove excess moisture.
Semigloss or glossy finishes popular on kitchen walls tend to be durable enough to stand up to degreasing cleaners but are also susceptible to scratches.
Wipe away fingerprints and other marks soon after they appear.
Cleaning a wall before painting it can be either a quick job or a major effort depending on the condition of the wall itself.
To rinse the walls mix a cup a vinegar with a gallon of warm water and wash the walls again.
Scrape any cracked or flaking paint with a paint scraper.
To help keep walls clean vacuum painted walls with a soft brush attachment.
Finish by wiping the walls with a damp cloth.
Cleaning the wall before applying a new coat of paint always means more than just a simple washing down with warm water if you really want to make sure the job is done right.
Aim to wash an entire wall in one session using the same technique.
For surfaces that have exposure to oil or grime like kitchen walls wash with a solution of water and grease cutting detergent and follow up with clean water to remove any residual cleaning agent.
Avoid using an excessive amount of water when cleaning painted walls.
Wipe off the dust and you re ready to 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.
Give newly painted walls at least two weeks to fully dry before their first wash.
Wash your walls from the bottom up using a nonabrasive sponge.
For surfaces that have exposure to oil or grime like kitchen walls wash with a solution of water and grease cutting detergent and follow up with clean water to remove any residual cleaning agent.