Skipping this step is a common reason for adhesion failure, regardless of the quality of the paint used. Recommended Products for Longevity To achieve a durable finish, it is advisable to use a high-quality bonding primer or an adhesion-promoting additive.
Why Latex Paint Peels on Oil Primer and How to Prevent It
This process, known as deglossing, roughens the surface at a microscopic level, allowing the latex pigment to grip effectively. Preparation Method Level of Difficulty Expected Durability Sanding and Deglossing Medium Good Bonding Agent Application Easy Excellent Addressing Potential Issues Even with the correct procedure, environmental factors can impact the final result.
The Role of Deglossing To ensure a strong bond, the glossy finish of the oil primer must be neutralized. While latex paint emits fewer volatile organic compounds (VOCs) than its oil-based counterpart, the underlying oil primer may continue to off-gas for days after application.
Why Latex Paint Peels on Oil Primer and How to Prevent It
Lightly sand the dried oil primer with fine-grit sandpaper to create a matte finish. These products modify the surface tension of the oil primer, allowing the water in the latex mixture to evaporate while the resin component forms a strong mechanical bond with the underlying layer.
More About Can you use latex paint over oil based primer
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