Can You Use Water Based Paint Over Oil Based Primer
Water based primer is for acrylic or latex paints and oil based primer is for enamel paints.
Can you use water based paint over oil based primer. If you have determined the existing paint is oil based you will need to rough the surface using 100 grit sandpaper until the gloss has vanished then wash the surface and allow it to dry. Fortunately with the proper approach you can successfully use water based paint over oil based paint. Water based primer versus oil based primer paint. Even the touch of a fingernail will scrape the new paint off because the adhesion will be very poor.
It s always safe to use waterborne paints over alkyd primers. Oil based primers take at least eight hours to dry. You will now be able to add the bonding primer. As long as the surface is fully cured there is nothing inherent in the oil based paint coating that precludes an additional layer of latex or oil based paint.
If you are going to use latex paint over an oil based primer ensure that you prepare the surface properly. Water based primer is usually used for walls and ceilings where there is new work and preparation is required and oil based primer is primarily used for doors windows metal or woodwork. It is a commonly held belief that oil based paints don t mix well with other types of paints. The glossy surface created by oil based paint stops the latex paint from sticking very well.
However at the same time it is also said that it is perfectly okay to use latex paint over an oil based primer. It s also safe to use waterborne paints over clean dull sanded alkyd paints if you re using high quality acrylic enamels. The confusion often stems from the confusion that surrounds using different types of paints such as water based and oil based in combination. If you try to put water based paint over an oil based painted surface without any preparation it will not adhere to the wall as it should.
First use a quality bonding primer let the primer dry then apply up to two coats of high quality latex paint. Ahead you ll find pointers for using whatever paint products you like over oil based paint. As with water based latex paints using water as a delivery vehicle oil based paints use the oil as a delivery vehicle for the pigments and coatings. If your kilz is indeed oil based you have a choice of using either oil or latex paint.
Placing latex over the oil primer. Barb is right not all kilz primer is oil based.