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Painting on Galvanized Iron

Hello everyone, it's us from Fenceshop and today we want to address a question we often get from our customers: is it possible to paint on galvanized material? The answer is yes, but with some precautions. Let's see how to proceed together.

The Challenge of Painting on Zinc

Zinc tends to create zinc oxide, a powder that can detach the applied paint. This is a common problem, even for those who have been working in the field for years. If the painting is not done correctly, it risks peeling off, making the material look unattractive. Even though the material does not rust thanks to galvanization, the deteriorated appearance is certainly not pleasant.

DIY Method

If you prefer DIY, here's our advice:

  • Cleaning: Clean the galvanized fence with a cloth and a nitro solvent to degrease the surface.
  • Specific Paints: Use specific paints for galvanized materials, which are available on the market today.
Professional Method

If you prefer to rely on professionals, know that there are specialized painters who follow precise procedures. Here's how the process is carried out:

  • Hot-Dip Galvanizing: The material is hot-dip galvanized.
  • Intermediate Layer: An intermediate layer is applied to ensure the paint adheres to the zinc.
  • Powder Coating: Polyester powder paint is used, one of the best available on the market.
  • Oven Curing: The painting is oven-cured, ensuring long-lasting adhesion to the ferrous material.

This procedure, although expensive (about 2.50 euros per kilo), offers durability for the galvanized and painted post of over 100 years, making it virtually eternal.

Beware of Scams

It is also important to be wary of possible scams. If the hot-dip galvanized material is painted without applying the intermediate layer, even the powder coating will tend to detach over time. Always make sure you know the surface treatment the product has received from the manufacturing company.


In conclusion, yes, it is possible to paint on galvanized material, but it is essential to follow the correct procedures. We hope these tips have been helpful to you. Don't forget to subscribe to our channel and visit our website for more information. If you have any questions, do not hesitate to contact us. Goodbye everyone!

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