How To Paint Behind A Radiator: A Step-By-Step Guide

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How To Paint Behind A Radiator In 2022 Expert Ways And Tips Pickpaint


Painting behind a radiator can be a daunting task, but with the right tools and techniques, it can be easily accomplished. In this guide, we will walk you through the step-by-step process of painting behind a radiator, ensuring a professional and seamless finish.

Why Paint Behind a Radiator?

Painting behind a radiator is important for two reasons. Firstly, it helps to maintain a clean and polished look in your room. Over time, dust and dirt can accumulate behind the radiator, making it look dirty and unappealing. Secondly, painting behind a radiator helps to protect the wall from heat damage. Radiators generate heat, and if the wall behind them is not properly protected, it can lead to discoloration and peeling paint.

What You Will Need

Before you begin, gather the following tools:

  • Dust sheets or old newspapers
  • Painter’s tape
  • Small paintbrush
  • Radiator roller or small paint roller
  • Extension pole (if necessary)
  • Drop cloth or plastic sheeting
  • Paint tray
  • Paint in your desired color
  • Paint stirrer
  • Paint roller tray liner (optional)

Step 1: Prepare the Area

Start by protecting the surrounding area. Lay down dust sheets or old newspapers to catch any paint drips. Use painter’s tape to cover the edges of the radiator and any nearby surfaces that you don’t want to get paint on. This will ensure clean and crisp edges.

Step 2: Clean the Area

Before you start painting, it’s important to clean the area behind the radiator. Use a vacuum cleaner or a duster to remove any dust, cobwebs, or loose debris. This will ensure that the paint adheres properly to the wall.

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Step 3: Prime the Wall

If the wall behind the radiator is in good condition, you can skip this step. However, if the wall has any stains or imperfections, it’s a good idea to apply a coat of primer. Primer helps to create a smooth surface and ensures that the paint adheres properly.

Step 4: Choose the Right Paint

When selecting paint for behind the radiator, opt for a high-quality, heat-resistant paint. This will ensure that the paint can withstand the heat generated by the radiator without discoloring or peeling.

Step 5: Paint the Edges

Start by using a small paintbrush to paint the edges around the radiator. Take your time and be careful not to get any paint on the radiator itself. Use smooth and even strokes to create a clean and professional finish.

Step 6: Use a Radiator Roller

Once the edges are painted, it’s time to tackle the larger areas. Use a radiator roller or a small paint roller to apply paint to the wall behind the radiator. If the radiator is tall, you may need to use an extension pole to reach the higher areas. Apply the paint in even, vertical strokes, working from top to bottom.

Step 7: Allow the Paint to Dry

After you have painted the wall behind the radiator, allow the paint to dry completely. Follow the manufacturer’s instructions for drying time. Avoid touching or placing objects near the freshly painted area to prevent smudges or imprints.

Step 8: Apply a Second Coat (If Necessary)

If the first coat of paint is not sufficient to achieve the desired color and coverage, apply a second coat once the first coat has dried. This will ensure a more even and vibrant finish.

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Step 9: Remove the Painter’s Tape

Once the paint is completely dry, carefully remove the painter’s tape. Slowly peel it away from the edges to reveal clean and crisp lines. Dispose of the tape properly.


Painting behind a radiator may seem like a challenging task, but with the right approach, it can be done smoothly and efficiently. By following this step-by-step guide, you can achieve a professional finish and ensure that your room looks clean and polished. Remember to take your time, use the right tools, and choose heat-resistant paint for long-lasting results.