Applying a heavy layer of latex over oil can trap solvents that cause the underlying layer to wrinkle or bubble. , Zinsser B-I-N) Small areas, severe stains, or high-gloss finishes Unmatched adhesion and stain blocking in one coat Bonding Primer (Water-Based) Larger surfaces or when a water-based system is preferred Easier cleanup and low odor with strong grip Application Techniques for Longevity Even with the correct materials, the method of application plays a role in the final durability.
Top Primers for Ensuring Latex Adheres to Oil Paint
Conversely, latex paint dries through water evaporation, creating a flexible film that requires a mechanical or chemical grip to adhere to that slick surface. 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.
Primer Type Best Use Case Key Advantage Shellac Primer (e. To combat this, you must physically roughen the surface using fine-grit sandpaper or a sanding block.
Best Primers For Latex Over Oil Paint And How To Use Them
The Strategic Use of Bonding Primers While preparation is vital, the true hero in this scenario is the bonding primer. Skipping this step guarantees that the paint will fail, regardless of the quality of the new product applied on top.
More About Latex paint over oil paint
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