What do you recommend far a skim coat directly over painted OSB? I know enough to get myself in trouble. My mesh tape has lasted years, no cracking or any problems but I have another project doing a tiny home (on a foundation not a trailer).
I'm no expert (besides electrical). I love building stuff though and wouldn't mind some advice. I wanna skim coat, drywalling over everything would obviously the correct way but I don't want the added expense, labor and there won't be an inspection.
all purpose dries hard and has adhesive. but to smooth plus 3 is okay. the surface needs to be fairly smooth might have to belt sand 120-150 grit then get all the debris off. i would coat with paint primer first.
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