A: Generally speaking, with proper surface preparation, for exterior use, you can apply quality 100% latex acrylic paints over oil-based, but not the reverse. However, if you have many layers of oil-based paint, stick to using oil on oil.
When painting over oil based paints, only an oil based paint may be used. Otherwise, the paint will peel off or blister off. … Latex paints will not stick to oil based paints. The exception is that an oil based primer may accept any kind of top coat paint.
Thereof, What happens if you paint latex over oil?
Furthermore, if you were to use an oil paint over latex, the new paint will expand and contract at a different rate than the underlying layer, causing it to crack. Latex will not properly stick when applied directly on top of an oil-based layer without preparation, and may easily crack or peel.
Also to know is, Can you put water based paint over oil based primer? When a homeowner wants to paint their house, they need to determine if their paint on the trim, walls and ceiling is water based latex or oil based paint. … For that reason, an oil based primer is recommended to be applied over any oil based top coat, then a water based paint may be used as a top coat.
Subsequently, question is, Can you put water based paint over oil based paint? Using water-based or acrylic paint when painting over oil-based paint is likely to cause peeling or chipping because those formulas don’t bond well with the naturally glossy surface of oil-based paint. … Fortunately, with the proper approach, you can successfully use water-based paint over oil-based paint.
Also, Can you paint over oil based paint without sanding?
Oil Bond creates a powerful adhesive bond to oil-based painted surfaces without having to sand or prime. With an award-winning mix of specially designed ingredients, Oil Bond has been recognized by professional painters, as well as the biggest names in home improvement.
Can you paint latex over oil?
Can You Paint Over Oil-Based Paint? Latex paint (and even other oil-based paint) can be successfully applied over older oil-based paint as long as the surface is fully cured and there is nothing inherent in the coating that prevents another layer of paint to be added.
Do you have to prime over oil based paint?
If the paint does NOT come off, it is oil-based paint and you will need to prime the surface with a bonding primer before applying latex paint. … If the paint comes off, it is a water or latex-based paint and you can proceed by painting over the surface with any type of paint.
Can you paint over oil based paint?
Can You Paint Over Oil-Based Paint? Latex paint (and even other oil-based paint) can be successfully applied over older oil-based paint as long as the surface is fully cured and there is nothing inherent in the coating that prevents another layer of paint to be added. Preparation is important.
Can you put latex paint over oil based primer?
Don’t apply oil-based paint over latex; but you can put latex paint over oil-based, as long as you prepare the surface properly first. … Apply a coat of a quality bonding primer (oil-based or latex), and allow the primer to dry. Topcoat with two coats of high quality latex paint.
What kind of paint can I use on oil based primer?
Latex paints will not stick to oil based paints. The exception is that an oil based primer may accept any kind of top coat paint. For that reason, an oil based primer is recommended to be applied over any oil based top coat, then a water based paint may be used as a top coat.
How do you paint over oil based paint?
– Dip a cotton ball into a small amount of denatured alcohol.
– Rub it over a small area on the surface.
– If the paint does NOT come off, it is oil-based paint and you will need to prime the surface with a bonding primer before applying latex paint.
Do you have to sand oil based paint?
So, if you have identified oil-based paint, we recommend that you lightly sand the paint until you have dulled down the glossy sheen. Make sure to clean the surface after sanding, removing any dust particles or dirt. … After drying, you should be able to apply a new coat of latex paint over the primer.
Should I use oil or water based primer?
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. Enamel is hardier so surfaces that require heavy traffic or exposure to the elements are usually painted in enamel.
Can you use oil based paint over water based paint?
We can coat with new oil paints on existing oil-based colors as they quickly adhere to each other. … Painting with oil-based paints looks much better, simple, and beautiful than the surfaces painted by the water-based paints.
Can you use oil based primer with water based paint?
Oil based paints have a higher volatile organic compound content than water based paints. … The exception is that an oil based primer may accept any kind of top coat paint. For that reason, an oil based primer is recommended to be applied over any oil based top coat, then a water based paint may be used as a top coat.
Is oil or water based primer better?
Oil-based versions give off a nasty smell and require paint thinner for cleanup, but they’re more reliable for blocking water-based odors and stains like rust, nicotine, smoke, wood tannins and, of course, water (see “Shellac: The Original Primer,” below, for dealing with severe stains and odors).
Should I use oil based primer?
Oil-based primers are ideal for interior and exterior unfinished or bare wood because they seal the porous surface of wood, enabling the coat of paint to better cover the surface. … They also prevent or slow down paint peeling, cracking and blistering.
Don’t forget to share this post 
References and Further Readings :
