Most older homes have at least one layer of oil-based paint on the walls, but today, water-based paint is used more often for interior decor due to it's cost. Water-based, or latexpaints are a type of oil paint that can be thinned using water or turpentine while pure oil paints are paints that do not contain any water content but instead contain natural or synthetic resins. 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.
Oil-based paint once ruled the world of interior paint and coatings, particularly in high-impact areas such as trim workdoorsand cabinets. Yet no longer. When it dries, oil-based paint emits a host of VOCs volatile organic content that are harmful to the environment.
Contrary to popular belief, you can apply latex paint over enamel. But you must do the required preparation work first to avoid peeling paint in the furture. Clean, dull, dry and prime the enamel surface before you paint.
Before painting an old door, it's important to determine if the original paint is oil-based or latex; latex paint will not adhere to oil-based paint unless certain preparatory work is done. Soak a clean rag in denatured alcohol and rub the surface of the door. If the paint starts to soften, it is latex. If it doesn't, the paint is oil-based.
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Using latex over oil based paint has generally been seen as a no-no, and for good reason. Just taking a quick glance at the picture for this blog post will give you an idea of what will happen every single time you do. So how do you know when it's safe to use latex paint and when it should be avoided?
You have likely heard throughout your life that oil-based paints cannot be mixed with other types of paint. At the same time, you may have been told that you can use latex paint on top of an oil-based primer. Both of these beliefs are true, which may at first sound confusing.
Are you preparing to paint over an oil-based painted surface? Kitchen cabinets are one of the most common oil-based painted surfaces found in homes. That means homeowners need to know how to properly paint latex paints over oil.
Thorough preparation of the surface will ensure a professional, long lasting finish. Peeling latex paint is not only an eyesore, but also it is an indicator of inadequate preparation by the person who applied it. If you plan to replace the peeling latex with an oil based paint, take the necessary time to prepare the surface properly.