What Is Paint Lacquer and How Is It Used?

Protect your paint with lacquer for a durable, long-lasting finish

A kitchen with white lacquered cabinets and a black fridge
Photo: KatarzynaBialasiewicz / iStock / Getty Images Plus / Getty Images
A kitchen with white lacquered cabinets and a black fridge
Photo: KatarzynaBialasiewicz / iStock / Getty Images Plus / Getty Images
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There’s no point in painting something if the color will immediately flake away, peel off, or fade. That’s where protective coatings like polyurethane, shellac, and lacquer come in. Paint lacquer is a topcoat option that can help protect your hard work from damage. It comes in a variety of formulations and offers many benefits over using paint alone.

What Is Paint Lacquer?

Lacquer is a clear finish that can be applied to latex and acrylic paint to create a protective layer over the color. It is chip-resistant, waterproof, and breathable, making it a good choice for surfaces needing a durable finish. It comes in different sheen levels, ranging from matte to high gloss, and works on wood, metal, or painted surfaces. Though lacquer can become dull with wear and tear, polishing can easily restore its luster.

Because it is very thin, lacquer is often applied using a sprayer, which helps to ensure a smooth, even finish, though you can also apply it with a brush or roller. The fact that paint lacquer is so thin means you will need more than one layer, but once you apply enough to get your desired finish—anywhere from two to nine coats—the lacquer will protect your surfaces for years. It is even flexible enough to accommodate the expansion and contraction of wood without developing cracks or other issues.

Lacquer vs. Paint

Many people confuse lacquer with paints, but most modern paints do not require a topcoat because they contain enamel that reduces the risk of fading, chipping, or peeling. Because enamel adds a sheen to the paint, flat and matte paints are less durable than shinier paints, meaning they could still benefit from a lacquer topcoat.

Types of Paint Lacquer

A person applying lacquer with a sprayer on a wooden surface
Photo: lovro77 / E+ / Getty Images

Lacquer comes in different formulations, each with its own benefits.

Nitrocellulose Lacquer

The most commonly used type of lacquer, nitrocellulose, is made from plant fibers treated with nitric acid. Nitrocellulose is frequently used to seal musical instruments and wood products; however, it is highly toxic and flammable and should only be used by professionals. Aside from its risks, nitrocellulose lacquer is also a poor choice for light-colored projects as it yellows as it ages.

Acrylic Lacquer

Here’s one you can use at home. Acrylic lacquer is a synthetic compound preferable to nitrocellulose for light-colored wood and paint because it is non-yellowing. As an added benefit, this variety dries very quickly.

Water-Based Lacquer

Water-based lacquers are quickly gaining popularity among homeowners and professionals. They are safer to work with and less environmentally hazardous because they have fewer toxic chemicals. These lacquers are still durable and scratch-resistant, making them a good option for kitchen cabinets and furniture. Note that water-based lacquers are not suitable for exterior use.

Catalyzed Lacquer

This lacquer comes from a two-part system, which you must mix before use. The resulting chemical reaction creates a highly durable finish, but you have to use it quickly or it’ll be less effective. Sometimes, you can buy catalyzed lacquer premixed by the store or manufacturer. While pre-catalyzed lacquer is easier to deal with, it has a shorter life span.

Potential Dangers of Using Lacquers

When using a lacquer, always use caution. These substances are flammable, highly volatile, and can present many dangers to the user. Their fumes can cause headaches, dizziness, breathing problems, and even death. Touching lacquers can result in itching, redness, and blisters on the skin. Always use lacquers in a well-ventilated area while wearing proper safety gear, including long sleeves, gloves, safety goggles, and respirators. Better yet, contact a local interior painter to help you with lacquer projects. 

Alternatives to Lacquer

Lacquer is far from the only option for sealing paint. 

  • Polyurethane is the most popular topcoat applied over paint. It comes in water- and oil-based formulations. It is safer to work with and more durable than lacquer, but less flexible and slower to dry.

  • Shellac is a non-toxic, high-gloss finish made from beetle secretions. It is less durable than lacquer but far more environmentally friendly and safer to work with. Shellac can be repaired easily, but scratches easily and does not protect against heat and water damage.

Frequently Asked Questions

There’s no universal answer to which topcoat is the best for sealing paint because this depends on multiple factors. Water-based polyurethane is a preferable topcoat option for most applications as it protects better and is safer to work with. If you want a more eco-friendly option, shellac may be the best choice, though it is nowhere near as protective as lacquer.

No. Lacquer cannot be used over oil-based paints, as it will not adhere properly to the paint. If you are using water-based paints, sometimes called latex paints, you can use lacquer over the paint. If you want to use lacquer on something covered in an oil-based paint, you must first strip the paint or prime the surface and paint over it with a latex-based paint.

Though it depends on the exact type, most paint lacquers only take about 15 to 30 minutes to dry. However, you’ll want to wait at least four hours before applying another coat and anywhere between 2 days and 2 weeks before polishing.

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