
Sherwin Williams Duration paint is a two-in-one paint and primer that can be used on a variety of surfaces, including vinyl, aluminium, and galvanized metal. While some professionals claim that one coat is sufficient, Sherwin Williams states that one coat is only suitable for previously painted surfaces, and two coats are required for new work. This is supported by a professional painter in NE Florida who exclusively uses Sherwin Williams products and claims that two coats are always necessary. The second coat is said to be more challenging to apply than the first, but it will result in a longer-lasting finish.
| Characteristics | Values |
|---|---|
| Number of coats for previously painted surfaces | 1 |
| Number of coats for bare surfaces | 2 |
| Number of coats for new work | 2 |
| Number of coats for warranty | 2 |
| Number of coats for long-lasting paint | 2 |
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What You'll Learn

Sherwin-Williams Duration paint is a one-coat application on previously painted surfaces
The Duration range is a high-quality paint with excellent moisture resistance and fast-drying times. It is a two-in-one paint and primer, which means it requires fewer coats than other paints to achieve excellent coverage. Sherwin-Williams Duration paint can be applied directly to existing coatings, bare drywall, or plaster (cured with a pH of less than 9).
For exterior work, Sherwin-Williams Duration Exterior Acrylic paint is self-priming and mildew-resistant. It is recommended that one coat is used for repaints and two coats for new work. On bare surfaces, two coats of Duration paint should be applied, allowing four hours of drying time between coats.
For interior use, Sherwin-Williams Duration Home Interior Acrylic Latex paint is also self-priming and has anti-microbial agents and stain-blocking technology. It is suitable for high-traffic indoor areas and is washable and resistant to stains, scuffs, and burnishing.
When using Sherwin-Williams Duration paint, it is important to prepare the surface properly. Existing peeled or checked paint should be scraped and sanded, and glossy surfaces should be sanded dull. Stains should be sealed with the appropriate primer-sealer. Surfaces such as aluminum and galvanized steel should be washed to remove any oil or grease, and all corrosion must be removed.
Overall, while Sherwin-Williams Duration paint can be applied in one coat on previously painted surfaces, two coats are recommended for maximum durability and longevity.
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Two coats are needed for new work or bare surfaces
When it comes to painting, the number of coats required can vary depending on the surface being painted and the type of paint being used. In the case of Sherwin Williams Duration Paint, the general consensus is that two coats are often necessary, especially for new work or bare surfaces.
For new work or bare surfaces, Sherwin Williams recommends using two coats of their Duration Paint. This is because the first coat acts as a primer, providing a solid base for the paint to adhere to, while the second coat offers full coverage and a uniform finish. By applying two coats, you can achieve a more consistent and durable result.
The reasoning behind this recommendation becomes clearer when considering the challenges of painting new or bare surfaces. These surfaces lack the benefit of previous coatings, which can provide a smoother foundation for paint application. By applying two coats, you can ensure a more comprehensive coverage of the surface, reducing the risk of missing spots or having uneven paint distribution.
Additionally, the second coat serves as a protective layer, adding to the longevity of the paint job. It helps to safeguard the underlying surface from external elements, such as moisture or wear and tear. This is especially important for exterior surfaces exposed to harsh weather conditions.
While some individuals might suggest that one coat is sufficient, it's important to consider the long-term benefits of applying two coats. With two coats, you can expect the paint to last longer, delaying the need for repainting. This not only saves time and effort but also ensures that the surface maintains its aesthetic appeal and protection for an extended period.
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Two coats are required for the warranty
Sherwin Williams Duration Paint is a two-in-one paint and primer that provides excellent coverage. While one coat is enough for previously painted surfaces, two coats are required for the warranty.
The paint is self-priming and mildew-resistant, and two coats are necessary for new work. This is because two coats will last longer than one, as it will take longer for the paint film to wear away.
A professional painter in Florida who uses Sherwin Williams products exclusively says that two coats are always necessary. He recommends Duration paint over SuperPaint Exterior Acrylic, which only requires one coat.
The paint should be applied at temperatures above 50°F, and there is no reduction needed. A nylon-polyester brush or a high-quality nylon-polyester roller cover should be used.
Two coats of Sherwin Williams Duration Paint will result in a longer-lasting finish and will save you from having to repaint in a few years.
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Two coats will last longer than one
Painting can be a tedious task, and no one wants to repeat it every few years. Using two coats of paint will ensure that you won't have to redo the job for a long time.
Sherwin Williams Duration paint is a high-quality product that provides excellent coverage. While it can be used directly on existing coatings, for new work, two coats are recommended. This is especially important if you want the paint job to last.
One user on the DIYChatroom forum shared their experience using Sherwin Williams Duration paint. They mentioned that the paint is challenging to apply, especially the second coat, but it is well worth the effort. They applied two coats of paint 12 years ago, and it still looks as good as new.
Another user on the same forum agreed that two coats are necessary to achieve good coverage and a solid color throughout. They emphasized that using two coats will make the paint job last longer, saving you from the hassle of repainting every few years.
A professional painter who exclusively uses Sherwin Williams products also stressed the importance of always using two coats of paint for exterior surfaces. They mentioned that the second coat provides added protection and durability, which is crucial for the paint's longevity.
While some may argue that using two coats is a ploy to sell more paint, the benefits of added protection and longevity outweigh the cost of purchasing extra paint. By investing in a second coat, you can ensure that your paint job will withstand the test of time.
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$51.23 $64.99

Two coats are needed for maximum durability
Sherwin-Williams Duration paint is a two-in-one paint and primer that provides excellent coverage. It is a high-quality paint that is mildew-resistant and anti-microbial. While it is only recommended for one coat when used on previously painted surfaces, two coats are needed for maximum durability.
A professional painter has stressed that two coats are always necessary for exterior surfaces. This is because two coats will last longer than one, as it will take more time for the paint film to wear away. The first coat functions as a full-color primer, and the second coat acts as a topcoat.
The Sherwin-Williams Duration paint is also self-priming. However, some users have noted that they still primed the surface before painting, especially when working with bare wood or repairs. In these cases, two coats of paint are recommended for maximum durability.
Additionally, when painting bare surfaces, two coats of Sherwin-Williams Duration paint are required, with a recommended drying time of four hours between coats. This ensures that the paint adheres well and provides a solid colour throughout.
While some may argue that a single coat is sufficient, it is important to consider the long-term benefits of applying two coats. By investing in a second coat, you can avoid the hassle and expense of repainting in just a few years. Therefore, for maximum durability and longevity, two coats of Sherwin-Williams Duration paint are recommended.
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Frequently asked questions
Sherwin Williams Duration paint is a two-in-one paint and primer that needs fewer coats than other paints to provide excellent coverage. While one coat is often enough for repaints, two coats are required for new work.
Two coats of paint are necessary when painting bare surfaces.
Using two coats of paint will make the paint last longer as it will take longer for the paint film to wear away.











































