Wiping the surface with a tack cloth or a mixture of denatured alcohol ensures that the oily film does not interfere with the bonding agents. Oil-based paints cure through oxidation, forming a hard, impervious shell that repels water.
Latex Paint Over Oil Paint Preparation Steps
You require a specific chemical bridge that can adhere to the old oil paint and provide a receptive surface for the new layer. Following the sanding, it is essential to remove all dust and residual oils.
Without proper preparation, the new layer will simply sit on top and detach from the old one. Two effective solutions exist in this category: shellac-based primers and specific "oil-over-latex" bonding primers.
Latex Paint Over Oil Paint Preparation Steps
Not all primers are equal, and a standard latex primer will likely slide off an oil surface. Applying a heavy layer of latex over oil can trap solvents that cause the underlying layer to wrinkle or bubble.
More About Latex paint over oil paint
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More perspective on Latex paint over oil paint can make the topic easier to follow by connecting earlier points with a few simple takeaways.
