Can You Apply Polyurethane Over Paint Applying polyurethane over a painted surface will give it an impeccably smooth finish.

Can you apply polyurethane over paint Oil based polyurethane levels out to a smoother finish although it takes several hours longer to dry.
Can you apply polyurethane over paint. Unfortunately when many do it yourselfers apply polyurethane over a water based latex or acrylic paint they end up with rampant flaking. Most wooden furniture has a polyurethane finish. However there are ways to do it right the first time. Polyurethane is typically hard durable and glossy and it is these qualities that make a finish vulnerable to chips and flaking.
If you want to avoid a similar outcome choose a specific type of polyurethane specifically formulated to bond with water based finishes. The answer is yes. However for the best results ensure that you use a water based formula such as minwax. You can apply polyurethane over any type of paint as long as it s clean and has been properly prepared.
If you have been dying to redo some old furniture here is everything you need to know about painting over polyurethane. You can take a cup of trisodium phosphate and mix it with warm water. Use a soft sponge or rag and a powerful detergent to clean up the painted surface. Otherwise you will have your surface starting to yellow a little sooner.
You can paint over a surface of polyurethane varnish if you prepare it properly. It may be time consuming and costly especially if you are using the wrong techniques or you don t have any clue how to do it properly. However oil based polyurethane tends to yellow as it ages whereas water based varieties stay transparent.