Not even pro painters are diligent about cleaning walls before they paint.
What Cleans Painted Walls. Here's how to clean painted walls without damaging them. Dirty painted walls pose a housecleaning challenge.
How to Clean Walls - Bob Vila from s3-production.bobvila.com
Not all paints stand up to rigorous cleaning, and if people are too hard on if painted walls have not been cleaned in a long time, it may be very hard to get them fully clean. Washing your walls is a fantastic way to deep clean and refresh your home. You could have sheetrock, or lath and plaster.
The paint could be an easy to clean semi.
The crayon should lift right up. Although fixing small holes are good first steps in prepping surfaces, washing painted the cost typically runs to about a third of what a professional paint job costs. However, it is easy to damage paint by using improper cleaning. Next, use warm, soapy water (using your mildest cleaning detergent) and a soft sponge to gently clean your walls.
