Prep for painting over mural?

lillilou

New member
For my kids playroom, I had done a bright outdoorsy mural. Now that they are older,its time to paint over it, just a full color. Some of the paint in spots had gotten quite thick, more like likes around it on detailed spots like rocks, maybe even a 1/8th to 1/4 inch. Its all latex interior paint.

Would it be better to sand it first, then drywall patch over it, re-sand, prime, etc? Or just first patch then sand? Or does it really not matter the order of the sanding and patching.
 
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