The short answer to whether you can paint latex paint over oil paint is yes, but it is not as simple as grabbing a can and rolling it on. Oil-based paints dry through an oxidation process, where the oils harden over time to form a tough, flexible, and moisture-resistant barrier.
Covering Old Oil Paint With Latex Safely
Long-Term Durability and Finish With the correct preparation and materials, latex paint can last for many years over an oil base. These issues usually manifest months after the job is complete, turning a simple refresh into a full-scale repaint that wastes time and money.
After sanding, a thorough cleaning with a degreaser is necessary to remove sanding dust and residual oils that could block adhesion. Opt for a 100% acrylic latex paint, as these formulas are flexible and adhere well to the primed surface.
Covering Old Oil Paint With Latex Safely
Conversely, latex paint is water-based; it dries as the water evaporates, leaving behind a flexible plastic film. When to Consider Alternatives.
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