The Guide to Repainting: To Prime or Not to Prime?
- Adrian Reid
- Feb 20, 2024
- 2 min read
Understanding the need for priming before repainting is crucial for achieving a high-quality finish. With our expertise, we guide you through the nuances of priming, ensuring your repainting project is nothing short of perfection.
Repainting Over Old Paint
Evaluating the Existing Paint Surface
Condition and Type: Assessing whether the existing paint is oil-based or latex is critical, as latex paint will not adhere well to a surface previously painted with oil-based paint without priming.
Surface Gloss: High-gloss surfaces require sanding and a coat of primer to ensure the new paint adheres properly.
Situations Demanding Priming
Color Transition: When transitioning from dark to light colors, priming prevents the old color from bleeding through, minimizing the number of topcoats needed.
Stains and Odors: For walls with stains or odors (e.g., smoke), priming is essential to block these imperfections and ensure they don’t penetrate the new paint layer.
The Importance of Quality Primer
Types of Primers and Their Purposes
Stain-Blocking Primers: Ideal for covering greasy spots, crayon marks, or preventing old stains from appearing through the new paint.
Adhesion Promoters: These primers are perfect for slick surfaces, ensuring the paint sticks properly and evenly.
Moisture-Resistant Primers: Essential for areas prone to humidity, preventing paint from peeling over time.
Choosing the Right Primer
Surface Compatibility: Selecting a primer that matches the surface material (wood, drywall, metal) and the type of paint you plan to use is crucial for compatibility and durability.
Tinted Primers: Using a primer tinted close to the final paint color can significantly improve coverage and reduce the number of paint coats needed for a uniform appearance.
Our Repainting Strategy
Surface Preparation
Cleaning: Ensuring the surface is free from dust, grease, and other contaminants for optimal primer adherence.
Repairing: Filling any cracks or holes and sanding the area smooth to prevent imperfections from showing through the paint.
Sanding: Creating a slightly roughened texture for the primer to grip onto, improving its adhesion to the surface.
Primer Application Techniques
Brush and Roller: Ideal for most interior surfaces, providing even coverage and the ability to reach into textures and crevices.
Spray Gun: Best for large, even surfaces or intricate details, offering a smooth, uniform primer layer with faster application times.
After Priming
Drying Time: Allowing the primer to fully cure, typically 24 hours, to ensure the best foundation for the topcoat.
Second Sanding: A light sanding post-priming smooths any raised fibers or drips, guaranteeing a flawless finish before painting.
Specific Primers we Use
Sherwin Williams PVA Drywall Primer and Sealer
Used for brand new drywall in order to fully seal the fibres in preparation of the interior paint.
Sherwin Williams Multi-Purpose Primer and Premium Wall and Wood Primer
Used on standard interior priming objectives like new trim, spot priming trim, drywall patches and drastic colour changes.
Zinsser Cover Stain Primer
Used when there is heavy staining from different types of contaminants

Priming is a pivotal step in the repainting process, laying the groundwork for a durable and visually appealing finish. Our professional insights ensure your project benefits from the best practices in the industry.
Embark on your repainting journey with confidence. Contact us for a consultation to leverage our professional expertise and ensure your repainting project is executed flawlessly from start to finish.
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