50+ Cleaning Basement Walls Before Painting Images. Do you need to clean interior walls before painting? Washing cuts into painting time, which cuts into their income, so don't expect your hired painter to wash down your walls unless you agree to pay them.
Before starting a basement finishing project, every square inch of the walls should be reviewed for cracks and leaks.
Adequate preparation is one of the most important areas overlooked when painting basement walls. There are specific times and situations it is needed. Cleaning a wall before painting it can be either a quick job or a major effort depending on the condition of the wall itself. Just as important as choosing the right colour is preparing the walls.