Oil Based Clear Coat Over Water Based Paint

Be sure to select a compatible water based polyurethane finish or flaking will result.

Oil based clear coat over water based paint.

Polyurethane can be oil or water based and you can use either kind over latex paint. Oil based products and water based products typically do not work well together. Do not use them over white or very light colors. As an example acrylic paints should not be used over oil based paints.

Play it safe and seal the stain with shellac. However oil based polyurethane tends to yellow as it ages whereas water based varieties stay transparent. With a little bit of extra time and preparation you can apply the oil based finish right over the water. However the curing time can be several days especially with an open grain wood such as oak where the stain can sit uncured deep in the pores.

The water based coating comes with a clear transparent coating while oil based have amber hue which yellows and will continually dry with time. If you already laid down a water based finish and decided to go for an oil based one do not fret. What would the process be to correctly coat this project. In particular painting with acrylics over oils usually has poor results.

Apply at least two coats of water based paint over oil based paint. Oil based over water based when using an oil based topcoat over a water based stain or milk paint allow water based finishes such as hp topcoat to dry at least 24 hours before coating with an oil based product other tips oil based finishes amber over time. Luckily there are ways around this when it comes to applying finishes. Forum responses finishing forum from contributor r.

Question can an oil base paint be coated by a polyurethane clear coat finish. Polyurethane finish over oil based paint it works well but be aware of the re coat window. Jim carroll explains why it s not only acceptable to use a water based finish over and oil finish provided you do it correctly but that it can be the best solution when you want to bring out the natural character and color of the wood. The instructions on the can will indicate that you can apply a water based clear coat right over an oil based stain if the stain has thoroughly cured.

I would suggest just scuff sanding the oil based. This is mainly because the drying times of water based products and oil based products are different. Using a brush roller or paint sprayer apply at least two coats of a high quality water based latex or acrylic paint e g. Oil based polyurethane will not bond to water based paint.