Without the correct process, the new layer is prone to peeling, flaking, and premature failure, leading to a waste of time and resources. Merely washing the surface with soap and water is insufficient to overcome the oily residue left behind by furniture or handling.
Latex Paint Over Oil Degreaser Use: Essential Prep for Adhesion
This mismatch can create stress within the layers, causing cracks to appear as the underlying film moves. You require a shellac-based primer or a high-adhesion bonding primer.
Oil-based paints cure into a smooth, almost plastic-like surface that lacks the tooth or texture necessary for new paint to grip effectively. Apply a bonding primer or deglosser to ensure the latex molecules can lock onto the old finish.
Latex Paint Over Oil Degreaser Use: Essential Prep Steps
Additionally, if you are drastically changing the color—going from a dark oil-based hue to a light latex tone—you must account for the opacity difference. They act as a neutral intermediary, preventing the oils from bleeding through and ensuring the topcoat remains vibrant.
More About Latex paint over oil based paint
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