Greetings, iam George Denard, I hope all goes well today.
Can I Just Paint Over Old Paint? [Solved]
If the current wall is smooth, clean and covered with the same type of paint (both are oil-based for example), you can head straight for the paint. You need to fill holes, spackle and sand*, maybe even cut a new piece of drywall in to the existing wall.
Do I Need To Sand Before Painting
http://how-to-
Painting Over Paint: When You Can and Can’t - Kevin Tetz has the Answer at Eastwood
Not sure if you
When You Should Strip Automotive Paint & When You Can Paint Over Paint
This video briefly explains why there are times it would be better to strip automotive