If you're painting over oil-based paint-say, on kitchen cabinets or trim-it's best to use more oil-based paint. Switching to a water-based or acrylic paint might cause peeling or chipping because those formulas don't bond as well with the naturally glossy surface of oil-based paint. You can, however, get around this.
Listen to ON HOW TO PAINT OVER OIL-BASED PAINT or read below:
First, sand off as much gloss from the surface as possible, and wipe away the dust. Next, banish dirt and grime, which can also reduce the adhesion of water-based paint, by cleaning with diluted trisodium phosphate.
Now, it's always a good idea to prime, but especially when using water-based paint over oil-based paint. Bonding primer, which is formulated to stick to glossy and other hard-to-paint surfaces, will prevent peeling and chipping while the fresh paint dries and cures.
Finally, apply at least two coats of water-based paint. Just take care to grab the right paint: “interior/exterior” paints will work anywhere, as the label suggests, but “interior” paints won't hold up when exposed to the elements.
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