Leo Martínez
Painting can be a time-consuming and laborious task, especially when multiple coats are required. The idea of a one-coat paint is appealing, but is it too good to be true? Well, it turns out that one-coat paints do exist, but they might not work in every situation. Paint+Primer in One products, for example, can be a great option for previously painted interior walls and ceilings, providing better coverage than traditional paints. However, they may not work on all surfaces, and it's important to manage expectations as they are not guaranteed to provide perfect coverage in just one coat.
| Characteristics | Values |
|---|---|
| Possibility of one-coat paint | Yes |
| Conditions for one-coat paint | Previously painted interior surfaces, matching the existing colour, painting over pre-tinted primer |
| One-coat paint brands | Pratt & Lambert's Accolade, Behr Marquee, Sherwin-Williams Infinity, PPG Diamond, Valspar Signature, Valspar Reserve, Showcase, Valspar Ultra, Behr Premium Plus Enamel, Ace Royal Interiors, Glidden High Endurance Plus |
| One-coat paint speciality coatings brands | Zinsser Perma-White, Kilz 2 |
| One-coat paint pros | Speeds up painting projects, eliminates the need to wait between coats, hides imperfections |
| One-coat paint cons | Limited colour options, higher cost, may not work on repaired surfaces, porous surfaces, uncoated surfaces, surfaces with tannins, or aggressive stains |
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What You'll Learn
Paint and primer in one
The effectiveness of paint and primer in one products depends on the existing surface and the desired colour. If the existing paint is glossy, or the colour change is drastic, a separate primer may still be necessary. Paint and primer in one products are ideal for previously painted interior surfaces, such as walls and ceilings, as they provide better coverage than traditional paint and reduce the number of coats needed.
Some examples of paint and primer in one products include Pratt & Lambert's Accolade Interior Premium Paint & Primer, THE ONE All-in-One Paint & Primer, and Behr Marquee. These products offer a range of colours and finishes, such as gloss, satin, and matte.
While paint and primer in one products can save time and provide good coverage, some people still recommend using a separate primer for the best results, especially when painting for the first time or when a drastic colour change is desired. Ultimately, the decision to use paint and primer in one or separate products depends on the specific project requirements and personal preferences.
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One-coat paint brands
One-coat paints are designed to save time and labour by eliminating the need for a primer or multiple coats of paint. These paints have a thicker consistency and high-build nature, with up to 20% more paint solids than conventional paints. However, one-coat paint is not always guaranteed to work in just one coat, and it may be necessary to apply two or more coats for the best results.
There are two main categories of one-coat paint: specialty coatings and decorative coatings. Specialty coatings are designed for emergency repairs and difficult surfaces, such as stained or water-damaged walls. These paints are typically available in a limited range of colours, usually different variations of white, with some brands offering a small selection of tints. Zinsser Perma-White and Kilz 2 are examples of specialty one-coat paint brands.
On the other hand, decorative coatings are intended for general use and offer a broader selection of colours. However, the colour palette for one-coat paints is still more limited than that of conventional paints. Examples of decorative one-coat paint brands include Behr Marquee and Sherwin-Williams Infinity (also known as SW Infinity). While Behr Marquee has been praised for its good coverage, some users have noted that SW Infinity's formula change has resulted in reduced coverage compared to other paint lines.
Other notable one-coat paint brands include PPG Diamond, which is known for its smooth application, and Valspar Signature, which offers similar performance to Sherwin Super Paint at a lower price point. Additionally, Glidden offers a range of one-coat interior paints, including the Glidden Premium Base Semi-Gloss Interior Paint and the Glidden Interior Paint + Primer One Coat.
When choosing a one-coat paint, it is important to consider factors such as intended use, volatile organic compound (VOC) levels, colour, and finish. The best one-coat paint for a bathroom may not be the ideal choice for a bedroom or living room. Oil-based paints are often recommended for high-moisture areas like bathrooms and kitchens due to their natural water resistance, which helps protect against mould and mildew. Water-based one-coat paints are also popular among users for their effective coverage, low-VOC formulas, and versatility.
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Surfaces that need multiple coats
While one-coat paints are available in the market, there are certain surfaces that require multiple coats of paint. These include surfaces that are prone to wear and tear from everyday use or exposure to harsh elements like rain or sunlight. Applying multiple coats of paint to these surfaces can help extend the life of the paint job.
Multiple coats of paint are also necessary for surfaces that have been previously painted with a different colour, especially if the previous colour is dark. In such cases, two to three coats of paint may be needed to fully cover the underlying colour. Similarly, when painting over stained or water-damaged walls, multiple coats of paint may be required to ensure adequate coverage.
Additionally, when painting finished wood projects, such as furniture, interior doors, baseboards, or trim, it is important to use the right type of paint and apply the correct number of coats. For wood surfaces, stain, acrylic latex, or oil-based paint is recommended. However, oil-based paint requires extra ventilation due to the presence of harmful VOC chemicals.
Metal surfaces, particularly those prone to rust, also require special attention. It is recommended to use a rust-inhibiting primer followed by two coats of oil-based paint for the best results. Lacquer is another option for metal surfaces, but it also requires multiple thin coats to achieve the desired finish.
In general, applying multiple coats of paint can improve coverage, increase durability, and provide a thicker layer of protection. It can also enhance the paint colour and allow for more flexibility in colour choice.
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Paint application techniques
Painting can be a time-consuming and laborious task, especially when multiple coats are required. However, single-coat paints are available and can be an effective solution in certain situations. These paints tend to have a thicker consistency and a higher build nature, allowing them to provide adequate coverage in just one application. Here are some techniques and considerations to help you achieve successful results when applying one-coat paint:
Surface Preparation:
Before painting, it is crucial to properly prepare the surface. Ensure that the wall is clean, dry, and free from any debris or grease. If the surface has been previously painted, lightly sand it to create a smooth base and remove any imperfections. If there are significant repairs, stains, or porous areas, consider using a primer. While one-coat paints can often be applied directly, a primer can enhance adhesion and provide a better foundation for the paint.
Paint Selection:
Choose a high-quality one-coat paint that is specifically designed for single-coat coverage. Examples of reputable brands include Pratt and Lambert®, Dulux's Simply Refresh, Behr Marquee, Sherwin-Williams Infinity, Valspar Ultra, and Glidden High Endurance Plus. These paints typically have a higher solids content, resulting in better coverage and durability. Additionally, select the appropriate paint finish for your surface. Flat or matte paints, for instance, are excellent at hiding imperfections and are suitable for damaged surfaces.
Application Techniques:
Use the appropriate tools for application, such as good-quality brushes and rollers. For rollers, opt for a medium-pile microfibre roller, and coat it generously with paint. Apply the paint using narrow 'W' or 'M' movements to create a smooth and even finish. Work in small sections to ensure thorough coverage and avoid overspreading. Reload the roller frequently with a thick layer of paint to maintain consistency.
Drying and Inspection:
Allow the paint to dry completely, which typically takes around four hours for one-coat paints. Once dry, inspect the surface for any missed spots or imperfections. If necessary, apply touch-ups with a small brush or roller, ensuring that the paint blends seamlessly.
Colour Considerations:
One-coat paints usually offer a limited colour palette, so choose a colour that aligns with the specific colour range offered by the manufacturer. Earthy tones and pastel shades tend to provide better coverage and hide imperfections effectively. If you're painting over a pre-tinted primer, ensure that the paint colour matches or closely aligns with the primer colour.
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Paint types and uses
There are several types of paint available, each with its own unique characteristics and uses. Here is an overview of some common paint types and their applications:
Water-based (Latex) Paint
Water-based or latex paint is the most widely used type of interior paint. It is known for its ease of application and offers a range of sheen levels, from matte to super-glossy. Latex paint is environmentally friendly, producing mild odours and low volatile organic compound (VOC) emissions. It dries faster than oil-based paint, is typically more affordable, and can be easily cleaned with water. However, it is less resistant to scratches and is not suitable for rough surfaces like concrete.
Acrylic Paint
Acrylic paint is a durable option that adheres well to various surfaces. It contains silicone oils, defoamers, and plasticizers, making it flexible and resistant to damage from debris, mould, UV rays, and water. These characteristics make acrylic paint ideal for exterior surfaces that are exposed to the elements and temperature fluctuations. Acrylic paint is more expensive and challenging to work with than latex paint.
Oil-based Paint
Oil-based paint dries harder than water-based paint, making it a good choice for areas that experience frequent contact, such as baseboards, trim, doors, and cabinets. It offers better coverage and adhesion than latex or acrylic paint and produces a smoother, glossier finish. However, oil-based paint takes longer to dry, emits strong odours and high VOCs, and requires a solvent for post-painting cleanup.
One-Coat Paint
One-coat paint is designed to eliminate the need for multiple coats or primer application. It has a thicker consistency and a high-build nature, making it suitable for both interior and exterior use. While it speeds up painting projects, it may not always provide the desired coverage in just one coat, especially on repaired or porous surfaces.
Chalk Paint
Chalk paint is a water-based paint commonly used for furniture to achieve a matte, vintage look. It can be thinned with water for a sheer finish or used full strength for more coverage. Chalk paint requires re-waxing every few years to maintain its vintage appearance.
Milk Paint
Milk paint is an environmentally friendly option made from milk proteins, lime, and natural pigments. It is often used for furniture restoration and accent walls, resulting in a vintage or distressed finish with a slight sheen. Milk paint is typically sold as a powder and needs to be mixed with water before use.
Metallic Paint
Metallic paint allows you to add a high-shine, metallic finish to various surfaces. It mimics the look of metals like gold, bronze, or copper or adds a shimmery accent to a base colour. Metallic paints come in different formulations, so it's important to choose one suitable for your specific project.
Specialty Coatings
Specialty coatings are designed for specific purposes, such as repairing stained or water-damaged walls. They are usually available in limited colours, mostly variations of white, with some brands offering a small selection of tints.
Primer
Primer is a base coat applied before painting to create a smooth and consistent finish. It acts as a barrier, covering stains and dark paints that might bleed through lighter colours. Primer is essential for porous surfaces and helps paint adhere properly, extending the life of the paint job.
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Frequently asked questions
Yes, there are paints that cover in one coat. Paint+Primer in One is a high-build paint with better coverage than traditional paint. One-coat paints are thicker and contain up to 20% more paint solids than conventional paints.
Some one-coat paint brands include Pratt & Lambert, Valspar, Sherwin-Williams, and Behr.
One-coat paint speeds up your painting project by eliminating the need to wait between coats. It also helps to hide imperfections like brush marks, stains, or repairs.
One-coat paint is typically more expensive than traditional paint, and it may not be suitable for all surfaces. Manufacturers' guarantees often exclude repaired surfaces, porous surfaces, surfaces that have previously been uncoated, surfaces that contain tannins, and surfaces with aggressive stains. Additionally, one-coat paint usually has a limited colour palette.
