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Painting on plastic seamlessly

Publish date
7th May 2025
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In this article

Whilst plastic is a versatile material, its slick and non-porous surface can make painting on plastic tricky. With the right prep and paint, you can transform plastic furniture, containers, or decor into vibrant, long lasting pieces. 

Understanding common issues when painting on plastic

Standard paints don’t stick well to plastic, causing peeling or flaking over time.

Some plastics expand and contract with temperature changes, leading to cracks in paint.

Plastic items are often handled frequently, increasing the risk of scratches and paint damage.

How to paint on plastic

3 tips for painting on plastic

We recommend using spray paints or speciality paints designed for plastic surfaces to ensure proper adhesion.

Before you begin painting on plastic, clean it with soapy water, dry it completely and lightly sand or use a plastic adhesion promoter for the best results.

Multiple light coats work better than thick layers when painting on plastic, as it helps to prevent drips and ensures a smooth, long lasting finish.

How to paint on plastic
How to guide

How to paint on plastic

Learn the secrets to smooth, pro-quality plastic painting in our latest guide!

Read guide

5 minute read

Before and after

How to paint on plasticHow to paint on plastic

FAQs

Yes, sanding is a crucial step when painting plastic. Most plastic surfaces are smooth and non-porous, which can make it difficult for paint to adhere properly. Lightly sanding the surface with fine-grit sandpaper (180–220 grit) helps to create a slightly rough texture, improving paint adhesion and resulting in a more durable finish.

Using a primer is highly recommended when painting plastic. A primer designed for plastic surfaces acts as a bonding agent between the plastic and the paint, enhancing adhesion and durability. While some low-stress items might not require priming, applying a primer generally ensures a longer-lasting and more professional-looking finish.

To protect painted plastic items, especially those exposed to the elements, it's advisable to apply a clear sealant over the paint. Using a non-yellowing clear coat, can provide an added layer of protection against UV rays, moisture, and physical wear, thereby extending the life of the paint job.

Our recommended plastic painting products

Seriously Good

Harris Seriously Good 4 Inch Shed, Fence & Decking Roller Set
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Harris Seriously Good 5 Inch Decking Paintbrush
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Ultimate

Ultimate Shed & Fence Swan Neck Paint Brush 120mm
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Seriously Good

Seriously Good Tarpaulin 25x18ft
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