Latex Paint Over Oil Primer Exterior

You can apply quality latex paint over any oil or latex painted surface that s in good shape.

Latex paint over oil primer exterior.

An oil based primer is a good undercoat for exterior or baths due to its greater degree of waterproofing. Get a lint free rag and apply the oil bond to the trim. Double check your primer label. First use a quality bonding primer let the primer dry then apply up to two coats of high quality latex paint.

One question however is can you use latex paint over oil based primer. However don t apply an oil based paint over latex. With better latex based paints and a new product called oil bond on the market today painting over oil based surfaces is actually easier than ever before. What doesn t work is an oil based topcoat brittle film over a latex topcoat softer flexible film.

After 60 minutes add 16oz to a gallon of whichever paint you re planning to use mix it up and paint away. I often use latex paint over oil primer and so do others i didn t make this up i did research and oil primer can of course be used over oil paint. When using latex paint over an oil based primer it is important to note that if you apply it directly without preparing the surface the latex paint is likely to crack and not stick properly. If you are going to use latex paint over an oil based primer ensure that you prepare the surface properly.

Using latex paint over an oil based primer understanding different types of latex paint different types of primers to use. It is okay to use latex paint over oil based. Reasons to use latex paint over an oil primer. But you need to do it properly otherwise your project will turn into a disaster.

Oil based primers take at least eight hours to dry. Latex will not properly stick when applied directly on top of an oil based layer without preparation and may easily crack or peel. It is very confusing. Can you use latex based paint over oil based painted surfaces.

Once everything you plan to paint is wiped down let it sit for 60 minutes. You may have to lightly sand the primer over smooth wood surfaces with 180 grit sandpaper to provide an easier bonding surface. Placing latex over the oil primer. Primers of either base can be top coated with either latex or oil.

So the oil primer acts as a buffer between the two paints. With the right preparation using latex paint on an oil base will give you exceptional results with a very strong lasting painted surface. If the paint is sound you generally need to prime only scraped or repaired areas. On the second coat do not add the oil bond just top coat with the paint as normal.

I don t know the mechanics of why but either oil or latex paint can be painted over oil primer. You can also use a stain blocking primer in lieu of regular primer to seal knots in board siding or trim and to cover stains that you can t remove such as rust. Be sure to wash away any dust caused by the sanding and allow the area to dry before adding your paint.