How Weather Impacts Powder Coating

Colorful,of,powder,coating.How Weather Impacts Powder Coating

As we are all well aware of, powder coating is one of the most popular and durable finishing techniques that offer an exceptional level of protection to all kinds of materials, ranging from car parts to fencing. Powder coating is known for being a lot more resistant and long-lasting when compared to traditional painting methods. However, it is vital to understand that external factors that may harm the finish, including temperature and weather.

In this blog post, we will be talking about how weather greatly impacts the quality of powder coating and the steps that can be taken to ensure that the finish stays in excellent condition irrespective of the changes in weather.


Temperature is one of the most significant factors that can affect the quality and longevity of the powder coating. The ideal temperature range for powder coating is between 65 and 80 degrees Fahrenheit. This is because, during the powder coating process, the materials should be heated to a particular temperature range to allow the powder coating to stick to the surface appropriately.

If the temperature is too low or high, the powder coating may not adhere correctly to the surface, leading to peeling, cracking, or even flaking of the finish. Additionally, the humidity of the air can greatly affect the finish. If the humidity is too high, the powder coating may take a long time to dry and set, leading to a substandard finish.

Rain and Moisture

Rain and moisture are major threats to any powder coating finish since they lead to rusting and staining of the underlying material. When rainwater collects in crevices, it causes corrosion and rust, which cripples the integrity of the finish. It is therefore crucial always to keep the material in a dry place and to never leave it out in the rain. It is also advisable to perform the coating on a sunny day to facilitate quick drying and prevent the accumulation of moisture.


Wind can be considered a double-edged sword when it comes to powder coating. On one hand, it is an extraordinary blessing as it can blow away particles that may have fallen on the surface before the powder coating process, leaving the surface smooth and even. However, it can also be a menace if the wind is too strong. Strong winds may cause the fine powder to fly away before it has been thoroughly sprayed onto the surface. This can lead to poor adhesion and can cause the powder to peel or flake away.

Sunlight and UV Rays

Exposure to sunlight and UV rays can cause the color of the powder coating to fade with time. This is due to the intense amount of heat and radiation that these rays produce, which can cause the pigments to break down, hence leading to a change in the color of the finish. These rays also negatively impact the longevity of the powder coating by breaking down the coating from the surface over time.

To prevent this, it is suggested that you use top-quality powder coating materials formulated with advanced UV stabilizers to aid in preventing and reducing the effects of UV light. Furthermore, it is suggested that the coated materials should always be stored in areas with limited sunlight exposure to prolong their lifespan.

Closing Thoughts

It is crucial to understand how weather greatly affects powder coating finishes and to take the necessary steps to maintain their quality and longevity. Understanding weather-related challenges is vital to making the most out of the coating process and ensuring that the finished products uphold the highest quality standards. The most effective solution to weather-related challenges is always to use high-quality powder coating materials made with advanced technology and specific formulas that are suited for each occasion.

In addition to using the correct powder coating materials, there are other precautions that must be taken, such as avoiding the outdoors during extreme weather conditions and keeping the materials in a cool, dry place away from direct sunlight and moisture. Taking these preventive steps will go a long way in preserving the integrity and longevity of powder coating finishes.

If you are looking for high-quality powder coating materials that are optimized for different weather conditions, please check out our wide array of products and services here at Powder Vision Inc. We are confident that we have what you need to make sure your powder coating finishes remain pristine and beautiful for years to come. Contact us today to learn more!