Primer is a critical first step in achieving a smooth, durable, and professional quality paint finish. Different surfaces require different types of primer, and using the wrong one can affect adhesion, color accuracy, and long term durability. This FAQ answers the most common questions homeowners ask about selecting the right primer for any project.
Why is primer important?
Primer creates a stable, uniform surface for paint to adhere to. It
- Seals porous materials
- Blocks stains
- Improves adhesion
- Ensures even color
- Increases paint durability
Skipping primer can lead to uneven sheen, peeling, or poor coverage.
When do I need to use primer?
Primer is necessary when
- Painting new drywall
- Covering dark or bold colors
- Painting over glossy finishes
- Repairing patched areas
- Sealing wood, metal, or masonry
- Blocking stains from water, smoke, or ink
If you are unsure, it is safer to prime than to skip it.
What types of primer are available?
Common primer types include
- Latex primer for general indoor use
- Oil based primer for stain blocking and wood
- Bonding primer for slick surfaces
- Shellac primer for extreme stain blocking
- Masonry primer for concrete or brick
Each type is designed for specific surfaces and challenges.
What primer should I use for new drywall?
Drywall primer or PVA primer is best because it seals the porous surface and prevents patchy absorption. This ensures the topcoat looks smooth and consistent.
What primer is best for wood?
Wood requires a sealing primer to prevent tannin bleed. Oil based or shellac primers are commonly used on wood surfaces, especially for knots or heavy stains.
Can I paint over glossy surfaces without primer?
No. Glossy surfaces need to be scuff sanded and primed with a bonding primer to ensure proper adhesion. Otherwise, the paint may peel or chip.
What type of primer works for metal surfaces?
Metal needs a rust inhibiting primer to prevent corrosion and ensure adhesion. Some metals require specialized primers depending on the finish.
Do I need primer when repainting the same color?
Not always. If the surface is smooth, clean, and in good condition, you may skip primer. However, any repairs, stains, or sheen differences still require priming.
What primer should I use to cover stains?
Stain blocking primers are essential for
- Water stains
- Smoke damage
- Marker or ink
- Grease spots
Shellac or oil based primers provide the strongest stain sealing performance.
Can I use primer and paint in one?
Paint and primer in one products work well for slight color changes and clean, previously painted surfaces. They are not a replacement for true primer on damaged, porous, or problematic surfaces.
Does primer color matter?
Yes.
- White primer is standard.
- Gray primer is ideal for deep or bright colors.
- Tinted primer helps achieve better coverage with bold topcoats.
How many coats of primer do I need?
Most projects require one coat. Severe stains, porous surfaces, or drastic color changes may require two coats for proper sealing.
How does primer affect paint longevity?
Proper priming improves adhesion and prevents issues like peeling or flashing. Homes painted with correct primer last longer and maintain appearance over time.
Where can I purchase the right primer for my project?
Explore high quality primers and paints through Randall’s here:
Shop Paint Collections
Can Randall’s help me choose the correct primer?
Yes. Randall’s specialists can guide you based on surface type, stain level, and project goals. Learn more about in store support here:
Randall’s Services
How can I hire a professional painter who understands proper priming techniques?
Submit your project details to connect with a trusted painter through:
Painter Order Form
Who can I contact for additional questions about primer and paint selection?
Reach out to the Randall’s team here:
Contact Randall’s