Should You Sand Trim Before Repainting?
Sand Trim Between Coats for an Ultra-Smooth Finish One Coat of Paint Usually Won't Hide the Underlying Color and Sheen on Trim. and If You Don't Sand the...
How much do I need to sand trim before painting?
Sanding Tip: If the trim is new or already smooth, lightly sand using 120-grit sandpaper until all shine disappears from the trim. If the trim is rough and worn, start by sanding with coarse, 80-grit sandpaper. Then, move to less-coarse sandpaper such as 100- or 120-grit to smooth the surface.
Can I paint over painted trim?
A quick coat of paint applied over existing paint or stain may look good — but it won't last. The key to a long-lasting paint job is to prepare the woodwork so it's clean and gloss-free.