What kind of paint do you use on a radiator?

Author: Polly Von  |  Last update: Saturday, June 6, 2026

Alkyd paint, which is durable, able to withstand high heat, and inhibits rust. You can also use this product with a paint sprayer. Many people prefer painting with a paintbrush to get all the cracks and crevices found in radiators.

Do you need special paint for a radiator?

Radiator paint is designed specifically for use on radiators. This means it's resistant to cracking or fading, even when exposed to heat. It's also durable and will protect the bare metal underneath. Club offer - 15% off when you spend £75+.

What kind of paint is best for radiators?

The advice we give on our website says: Radiators can be finished with cellulose paint or acrylic car spray paint. There is no need to use expensive specialist radiator paints - car paint is designed to cope with extremes of temperature and be tough enough to withstand relatively intense wear and tear.

What paint to use on a car radiator?

Standard engine paints are too thick for use on a radiator because they can interfere with heat transfer, and block air flow between the cooling fins. But Radiator Black Gloss is specifically formulated for your radiator, heater core and air conditioning condenser.

Should radiator paint be gloss or matt?

However, you must use high-quality gloss paint to ensure the shiny finish stays on for the long run. This is why purchasing a specialist and premium radiator gloss paint is highly advisable, as gloss paint is quite costly.

How to Paint a Radiator: Spray vs Brush

Can you paint straight onto a radiator?

For radiators that are being painted in place, you can either leave the back unpainted or use an angled radiator brush to carefully apply paint to the other side. Depending on the paint you use, you may need to apply a second or third coat. Make sure the first coat is completely dry to ensure a smooth finish.

What finish is best for radiators?

Use a paint suitable for radiators for a durable, long-lasting finish. We recommend either our Interior Oil Eggshell or Intelligent Eggshell finish.

What is an alternative to radiator paint?

Satinwood paint is a good option to use for modern radiators as it offers a mostly water-based covering.

How do you prepare a radiator for painting?

A step-by-step guide to paint radiators.
  1. Turn off your radiator & open a window. ...
  2. Clear the area. ...
  3. Clean the surface of the radiator. ...
  4. Sand the radiator. ...
  5. Add your radiator primer. ...
  6. Apply your top coat of radiator paint. ...
  7. Take a well-earned & deserved rest.

Why are car radiators painted black?

Black painted or black coloured bodies are known to be good radiators and absorbers of heat energy. To prevent overheating of the radiator and to increase the output of radiators (release heat) the radiators are painted black in color.

What is the best one coat radiator paint?

Overall, if you want a high-quality, easy-to-use paint that will give your radiators a fresh new look, then Ronseal One Coat Radiator Paint White is the perfect choice.

Does Sherwin Williams make a heat resistant paint?

Sherwin-Williams Company - Krylon High Heat Brush-On Paint

Provides high heat projects with the high-quality protection they need and stands up to high temperatures. Category: heat resistant paint | metal coatings | specialty paint...

Can you paint a radiator with semi gloss paint?

If a colored finish is desired, finish with ECOS Semi-gloss or Feng Shui Paint. Need some inspiration? Check out these creatively painted radiators: Follow ECOS Paints' board Painted Radiators on Pinterest.

Should you paint a radiator with a roller or brush?

A regular paintbrush or roller is suitable for the side of the radiator that faces outwards, but if you leave the radiator on the wall, you'll need a special brush. Paintbrushes are better for getting into the grooves of radiators, whereas rollers are useful for painting broad flat sections.

What is lick paint?

British-born brand Lick is on a mission to make painting and decorating more enjoyable and sustainable. Lick paints are water-based, low VOC, and benefit from a high pigment content, meaning they cover walls and surfaces brilliantly with a rich and vibrant colour.

What is the best colour to paint a radiator?

Coloured rads finished with paint will tend to produce a 25% or so higher heat output. Strictly speaking in scientific terms, matt black is the very most efficient colour choice. However, the difference in heat output between this style and a white radiator, for instance, would only be around 1%.

Can you use any paint on radiators?

The answer is yes, you can paint radiators, but not with any paint. You must use a paint that has the necessary adhesion on metal surfaces.

Is Rustoleum paint good for radiators?

A top-tier solution for revamping and protecting your radiators. Its ultra-durable, smooth finish not only enhances the aesthetic appeal of your radiators but also provides a robust protective layer.

Why is paint peeling off my radiator?

When painting a radiator, it's important to use a heat-resistant paint that can withstand high temperatures. Obviously, radiators can get quite hot, so regular paints are likely blister, peel, or discolour when exposed to the heat.

What kind of paint is safe to use on radiators?

If you're hand painting, we recommend using Super Spec® HP D.T.M. Alkyd paint, which is durable, able to withstand high heat, and inhibits rust. You can also use this product with a paint sprayer. Many people prefer painting with a paintbrush to get all the cracks and crevices found in radiators.

Can you buy paint for radiators?

Radiator paint can help you achieve many different looks, either helping to blend your radiators into the wall or letting them stand out. It also offers a cost-effective way to modernise old radiators and saves you from buying new ones.

Is it best to spray or paint radiator?

Overall, radiator spray painting is faster, more efficient, and more durable option compared to traditional painting methods whilst also achieving a more even and professional looking finish.

Can I use Valspar paint on radiators?

CAN I USE VALSPAR PAINT ON MY RADIATOR? Yes, the radiator will need to be sanded down and primed beforehand with Valspar Primer & Undercoat. Our Premium Interior Wood & Metal paint can heat up to 100 degrees. The radiator needs to be turned off and cool before, during and after for a few days to let the paint dry.

Can you paint a radiator with eggshell paint?

Contrary to what a lot of people think, one doesn't need to use a special paint for radiators – most paint that is designed for woodwork (such as gloss, satin or eggshell) should be fine to use.

Do you need heat-resistant paint for radiators?

Paint not only transforms the look of a radiator but also helps protect it from rust and wear. However, it's essential to use radiator paint specifically designed to withstand high heat without cracking or peeling. The process involves specific paints and techniques to ensure a long-lasting finish.

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