When it comes to giving your exterior surfaces a fresh and lasting coat of paint, a reliable primer is the foundation for success. Amazon offers a diverse range of exterior primer products that cater to different surfaces and painting needs. To help you make an informed choice, we’ve compiled a list of the top 5 exterior primer products available on Amazon, complete with all the information you’ll need to make an informed decision.

To see our related product guide article, click here.

Top Picks for Best Exterior Primer

INSL-X AP100009A-04 Prime All Multi-Surface Acrylic Exterior Primer

The INSL-X AP100009A-04 Prime All Multi-Surface Acrylic Exterior Primer is a versatile option suitable for a wide range of exterior surfaces. Its advanced acrylic formula ensures excellent adhesion, making it compatible with various materials such as wood, concrete, stucco, and even previously painted surfaces. This primer is designed to provide a smooth and uniform base for your paint, enhancing its durability and longevity.

Pros:

• Versatile compatibility with multiple surface types.
• Strong adhesion for better paint bond.
• Can be used on both bare and previously painted surfaces.

Cons:

• Multiple coats may be needed for optimal coverage on certain surfaces.

KILZ Klear Primer, Interior and Exterior Primer

The KILZ Klear Interior and Exterior Primer is a unique clear primer suitable for both interior and exterior applications. It is designed to create a protective and adhesive base for paint while allowing the underlying surface to show through. This primer is particularly useful for sealing porous surfaces, ensuring a smoother and more even finish when applying your topcoat.

Pros:

• Clear formula preserves the natural appearance of the surface.
• Ideal for surfaces that require sealing before painting.
• Can be used on various interior and exterior surfaces.

Cons:

• Might not provide the same level of stain-blocking as colored primers.

KILZ Self-Priming Masonry, Stucco and Brick Paint, Interior and Exterior Primer

Specifically formulated for masonry, stucco, and brick surfaces, the KILZ Self-Priming Masonry Paint offers both priming and painting capabilities in one product. This saves you time and effort by eliminating the need for a separate primer. With its flat finish in Pismo Beach/Light Warm Tan color, it provides a cozy and textured appearance to your exterior.

Pros:

• Specially designed for masonry and textured surfaces.
• One-step solution for priming and painting.
• Weather-resistant and durable finish.

Cons:

• Might not be suitable for non-textured surfaces.

THE ONE Paint Interior and Exterior Primer

THE ONE Paint Interior and Exterior Primer offers a convenient solution for various painting projects, both interior and exterior. With its durable and quick-drying formula, it’s an excellent choice for furniture, cabinets, doors, and other surfaces. The white gloss finish adds a touch of elegance to any project. It’s also available in multiple colors, ensuring you find the right paint/primer for your job.

Pros:

• Versatile and suitable for a wide range of surfaces.
• Gloss finish adds a professional and elegant look.
• Quick-drying formula speeds up your painting process.

Cons:

• Smaller volume might not be sufficient for larger projects.

Zinsser 286258 Bulls Eye 1-2-3 All Surface Exterior Primer

The Zinsser 286258 Bulls Eye 1-2-3 All Surface Exterior Primer is a reliable option for those seeking a gray primer for their exterior projects. This primer excels in stain blocking and can be applied to a variety of surfaces, including wood, metal, and plastics. Its versatile nature and strong adhesion make it a go-to choice for both professional painters and DIY enthusiasts.

Pros:

• Excellent stain-blocking properties.
• Versatile application on different surface types.
• Gray color provides a neutral base for various paint colors.

Cons:

• Limited volume in the quart-sized container.
• Some users might prefer a white primer for better color accuracy.

Conclusion

The choice of the best exterior primer product from Amazon depends on your specific needs and the type of surface you’re working with. Whether you’re looking for versatility, specialized masonry solutions, clear primers, or quick-drying options, there’s a primer on this list that can help you achieve a successful and long-lasting paint job for your exterior surfaces. Always remember to consider the compatibility of the primer with your chosen paint type and surface material for the best results.

What Should You Look for in Exterior Primer?

Choosing the right exterior primer is essential for achieving a successful and long-lasting paint job. A high-quality primer serves as the foundation for your paint, improving adhesion, durability, and the overall finish. Here are some key factors to consider when looking for an exterior primer:

1. Surface Compatibility: Not all primers are suitable for every surface. Determine the type of material you’re working with, whether it’s wood, metal, masonry, stucco, or others. Choose a primer specifically formulated for that surface to ensure proper adhesion.
2. Adhesion: A primer’s ability to adhere to the surface is crucial. Look for primers that offer strong bonding properties to create a stable base for the paint to adhere to. This is especially important for exterior surfaces exposed to varying weather conditions.
3. Stain Blocking: If the surface you’re painting has stains, discolorations, or previous coatings, consider a primer with effective stain-blocking capabilities. This prevents stains from bleeding through the new paint and ensures a clean, uniform finish.
4. Waterproofing and Weather Resistance: Exterior surfaces are exposed to harsh elements like rain, UV rays, and temperature fluctuations. Choose a primer that provides a level of waterproofing and weather resistance to protect your paint job over time.
5. Coverage and Thickness: Primer coverage can vary among products. Some may require multiple coats to achieve the desired coverage, while others provide better coverage with a single coat. Consider the thickness and coverage capabilities based on your project’s needs.
6. Drying Time: Faster drying primers can significantly speed up your painting process. However, ensure that the quick drying time doesn’t compromise its adhesion or overall quality.
7. Transparency: Clear primers can be useful when you want to maintain the natural appearance of the surface. Opaque primers, on the other hand, offer an even base for paint colors to show true and vibrant.
8. Primer-Paint Compatibility: Ensure that the primer you choose is compatible with the type of paint you intend to use. Some primers are designed to work optimally with specific types of paint, such as oil-based or water-based paints.
9. VOC Content: Volatile Organic Compounds (VOCs) are chemicals that can be released into the air during painting and drying. If you’re concerned about indoor air quality or environmental impact, consider low-VOC or VOC-free primer options.
10. Brand Reputation: Opt for primers from reputable brands known for their quality and reliability. Research customer reviews and ratings to get an idea of real-world performance.
11. Application Method: Consider the application method that suits your project. Some primers are available in spray forms, while others are designed for brush or roller application.
12. Cost: While quality is essential, budget is also a factor. Balance the cost of the primer with the benefits it offers and the scale of your project.

By carefully considering these factors, you can select an exterior primer that aligns with your project’s requirements and ensures a smooth, durable, and visually pleasing paint finish. Remember that the right primer can make a significant difference in the longevity and quality of your exterior paint job.

Frequently Asked Questions

What is exterior primer?

Exterior primer is a specialized type of paint product designed to be applied to surfaces before the application of the final coat of paint. It serves as a preparatory layer that enhances the adhesion of the paint to the surface, improves paint durability, and provides a uniform base for the topcoat. Exterior primers are specifically formulated to withstand the challenges posed by outdoor conditions, such as exposure to weather, temperature fluctuations, moisture, and UV rays.

The primary functions of exterior primer include:

1. Adhesion: Exterior surfaces, such as wood, metal, masonry, and stucco, can be porous or have varying textures. Primer creates a bonding surface that helps the paint adhere securely to these surfaces, preventing issues like peeling, cracking, and flaking.
2. Sealing: Primers can seal porous surfaces and prevent moisture penetration, which is particularly important for wood and masonry. This helps to prevent rot, mold, and other forms of damage that can occur when moisture seeps into the material.
3. Uniform Base: Primers create a consistent base color that helps the topcoat of paint achieve its true color. Without a primer, the underlying surface color and texture might show through the paint, leading to uneven or altered color results.
4. Stain Blocking: Some primers have stain-blocking properties, which prevent stains or discolorations from bleeding through the paint. This is especially important for surfaces with previous stains, watermarks, or dark colors.
5. Enhanced Durability: Exterior primers are formulated to withstand the rigors of outdoor environments, including temperature fluctuations, sunlight exposure, and moisture. They help protect the paint and the underlying surface from weather-related deterioration.
6. Smooth Finish: By creating a uniform and smooth surface, primer helps the topcoat of paint go on more evenly, resulting in a more professional-looking finish.

Exterior primers come in various formulations, such as oil-based, water-based, and specialty primers for specific surfaces like masonry or metal. The choice of primer depends on the type of surface you’re working with and the specific needs of your project.

When applying exterior primer, it’s important to follow the manufacturer’s instructions and allow it to fully dry before applying the topcoat of paint. This ensures that the primer can perform its role effectively and provide the desired benefits for your exterior paint job.

Is exterior primer necessary?

Yes, using exterior primer is generally necessary for most exterior painting projects, especially when you want to achieve a professional-looking and long-lasting finish. While it might be tempting to skip the primer step to save time and money, doing so can lead to several issues that could compromise the quality and durability of your paint job. Here are some reasons why exterior primer is important:

1. Improved Adhesion: Exterior surfaces can be uneven, porous, or have varying textures. Primer creates a uniform surface and enhances adhesion, allowing the paint to grip the surface more effectively. This prevents issues like peeling, cracking, and flaking that can occur when paint doesn’t properly adhere.
2. Sealing and Protection: Primers help seal porous surfaces, preventing moisture from penetrating and causing damage such as rot, mold, or mildew. They also provide a barrier against stains, tannins, and other substances that can affect the appearance of your paint.
3. Uniform Color and Finish: Applying paint directly to a surface without primer can result in inconsistent color and texture due to the underlying surface’s color and imperfections. Primer evens out the base and provides a neutral starting point for your paint color, ensuring a more uniform and true-to-color finish.
4. Stain Blocking: If the surface has stains, watermarks, or discolorations, using a primer with stain-blocking properties prevents these imperfections from bleeding through the paint and affecting the final appearance.
5. Enhanced Durability: Exterior primers are formulated to withstand outdoor conditions, including UV rays, temperature fluctuations, and moisture exposure. They provide an added layer of protection that extends the life of your paint job.
6. Cost Savings in the Long Run: While skipping primer might save you a small upfront cost, you could end up spending more in the long run due to premature paint failure, the need for more frequent repainting, and potential surface repairs.
7. Professional Finish: Primer creates a smooth, consistent surface that allows the paint to go on evenly, resulting in a more professional-looking finish. It can also minimize imperfections in the underlying surface, enhancing the overall appearance.

In summary, while there might be a few cases where primer can be skipped (such as when repainting a well-prepped surface with the same type of paint), using exterior primer is a recommended step to ensure the best results for your exterior paint project. It provides a solid foundation for the paint, improves adhesion, offers protection, and contributes to the overall longevity and aesthetics of your painted surfaces.

Are there any disadvantages to using exterior primer?

While exterior primers offer numerous benefits for painting projects, there are a few potential disadvantages or considerations to keep in mind:

1. Cost: Quality exterior primers can add to the cost of your project. While they are an important investment to ensure the longevity of your paint job, some people might see the upfront cost as a drawback.
2. Additional Step: Applying primer requires an extra step in the painting process, which can extend the time it takes to complete the project. If you’re looking for a quick and simple paint job, the additional time needed for priming might be considered a downside.
3. Odor and VOCs: Some exterior primers, especially oil-based ones, can have a strong odor and release volatile organic compounds (VOCs) into the air. This can impact indoor air quality and may require proper ventilation during and after application.
4. Color Limitations: While most primers are neutral in color, they can sometimes affect the final paint color if it’s very light or translucent. This can be a concern if you’re aiming for a very specific and delicate shade.
5. Compatibility: Not all primers are compatible with all types of paint. It’s important to choose a primer that works well with the type of paint you intend to use to ensure proper adhesion and overall performance.
6. Surface Preparation: Applying primer requires proper surface preparation, including cleaning, sanding, and repairing any damage. This additional prep work can be seen as a disadvantage for those looking for a quicker and simpler painting process.
7. Unforeseen Issues: In some cases, using primer can highlight underlying issues that were not previously visible, such as cracks, dents, or other imperfections. While this isn’t a direct disadvantage of primer itself, it could lead to more extensive repairs than initially anticipated.
8. Product Selection: With the variety of primer options available, choosing the right one for your specific project can be overwhelming. Selecting the wrong type of primer for the surface or paint you’re using could lead to suboptimal results.

It’s important to note that while there are some potential disadvantages to using exterior primer, the benefits typically outweigh the drawbacks. The proper use of primer can significantly improve the adhesion, durability, and overall appearance of your paint job, ensuring that your investment lasts longer and looks better. Always choose a primer that is suitable for your project’s specific needs and follow proper application techniques for the best results.

What is better, oil based, or water based exterior primer?

Deciding between oil-based and water-based (latex) exterior primers depends on various factors, including the surface you’re working on, your preferences, and the specific requirements of your project. Both types of primers have their own advantages and disadvantages. Let’s compare them to help you make an informed decision:

Oil-Based Exterior Primer:

Pros:

• Durability: Oil-based primers are known for their exceptional durability and ability to create a strong bond with surfaces. They are particularly suitable for challenging outdoor conditions.
• Stain Blocking: They usually have superior stain-blocking properties, which can be beneficial when working with surfaces prone to stains or discolorations.
• Adhesion: Oil-based primers adhere well to various surfaces, including slick or glossy ones that can be difficult for water-based primers to bond with.

Cons:

• Odor and VOCs: Oil-based primers have a strong odor and release higher levels of volatile organic compounds (VOCs), which can impact indoor air quality and require proper ventilation during application.
• Longer Drying Time: They generally take longer to dry compared to water-based primers, potentially extending the overall painting process.
• Cleanup: Cleaning brushes and tools used with oil-based primers requires the use of solvents, which can be less environmentally friendly and more cumbersome.

Water-Based Exterior Primer:

Pros:

• Low Odor and VOCs: Water-based primers have a milder odor and release fewer VOCs, making them more environmentally friendly and suitable for indoor applications as well.
• Quick Drying: They typically dry faster than oil-based primers, allowing you to move on to the topcoat sooner.
• Ease of Cleanup: Brushes and tools can be easily cleaned with water, eliminating the need for harsh solvents.

Cons:

• Adhesion on Certain Surfaces: Water-based primers might not adhere as well to very smooth or glossy surfaces, requiring proper surface preparation or the use of a bonding agent.
• Stain Blocking: While some water-based primers offer good stain-blocking capabilities, they might not be as effective as oil-based primers in this regard.
• Durability: Water-based primers can be less durable than oil-based primers, especially in harsh outdoor conditions.

Choosing the Right Primer: Consider the following factors when making your decision:

• Surface Type: Oil-based primers may work better on challenging or porous surfaces, while water-based primers are suitable for most common exterior surfaces.
• Indoor vs. Outdoor: If you’re working both indoors and outdoors, a water-based primer can offer more versatility due to its lower odor and VOC levels.
• Environmental Concerns: If you’re concerned about VOC emissions and air quality, a water-based primer is a more eco-friendly option.
• Drying Time: If you’re looking for a faster painting process, water-based primers dry more quickly.
• Topcoat Compatibility: Ensure that your chosen primer is compatible with the type of paint you intend to use for the topcoat.

In the end, the “better” option depends on your specific project requirements and priorities. If durability and stain-blocking are crucial, oil-based primer might be preferable. If you value quicker drying, easier cleanup, and lower VOC emissions, a water-based primer could be the better choice.