Spray Painting metal surfaces takes precision and care, and at RGB House Painters, we know how to get it done right the first time. Whether it’s restoring a rusted gate, refinishing outdoor railings, or giving appliances a professional-grade finish, we’re here to help.
This guide shares our process, tips, and techniques for durable, high-quality results on painted metal surfaces.
Table of Contents
We believe the right paint type and proper preparation make all the difference. From rust prevention paint to spray paint for metal, we carefully select materials designed for long-lasting finishes.
Spray paint is great for detailed surfaces, while brush-on paint works well for smooth, flat areas. We also use specialized primers to create a strong bond and protect against corrosion.
Proper preparation is the foundation of any great paint job. We clean, sand, and prime every surface to ensure the paint sticks and holds up over time. Whether you’re tackling a DIY project or looking for professional results, we’re ready to guide you every step of the way.
Types of Metal Paint
When it comes to metal paint, we work with both oil-based and water-based options. Oil-based metal paint is our go-to for exterior painting projects that need maximum durability and protection from the elements.
For indoor projects or quick touch-ups, water-based paint for metal surfaces can be a convenient, low-fume choice.
Spray painting is perfect for detailed designs and hard-to-reach spots. We use sprayer often for railings and furniture. It provides smooth, even coverage but sometimes requires multiple coats for a durable metal finish.
On the other hand, brush-on paint gives us better control and builds up a thicker and tougher layer. This makes it ideal for larger or most outdoor painting projects that have a flat surface.
All in all, choosing the right paint depends on the project. For long-term durability, oil-based paints often win out, especially for outdoor surfaces. However, water-based options are gaining popularity for their ease of use and quick drying times.
We assess each job individually to pick the best solution for lasting results.
Preparation
Preparation is everything. At RGB House Painters, we start by thoroughly cleaning the surface to remove dirt, grease, and rust. We often use professional cleaners to break down contaminants and create a clean slate. Proper cleaning prevents corrosion and ensures the primer and paint adhere perfectly.
Next, we sand and scuff the surface to create a rough texture. We use a wire brush or sandpaper to carefully go around corners and edges where paint is likely to peel. This step improves adhesion and helps us build a durable, long-lasting finish.
After sanding, we wipe away dust with a clean cloth to make sure no particles get trapped under the primer. This ensures a smooth application of the primer and paint, resulting in a flawless finish. This is an important step in the metal painting process to prevent the paint from chipping or peeling.
Then, we apply the right primer. For ferrous metals (iron), we use rust-resistant primers, and for non-ferrous metals like aluminum, we go with a self-etching primer. We always apply primers in thin, even coats, allowing each one to dry before adding the next. This creates a solid base for the paint and adds an extra layer of protection against rust.
For the paint to stick to the metal surface, the primer must be applied correctly. In addition to making the paint job look better and last longer, it helps the paint job stay put.
Related: Spray Painting in Cold Weather: 6 professional Rules!
Safety Considerations
Safety is always a top priority at RGB House Painters in London, Ontario. We use protective gear like dust masks, goggles, gloves, and earplugs to keep our team safe during sanding and grinding. This protects our painters from dust, particles, and sharp edges that can cause injuries.
Ventilation is just as important, especially for our clients, when working indoors. When working with spray paint or acetone-based cleaners, we make sure our workspace has plenty of airflow to avoid fume buildup. Proper ventilation helps to maintain a safe and healthy working environment for everyone.
We also handle chemicals with care. To prevent spillage and exposure, containers are sealed when they are not in use. In addition, our staff are trained on how to safely dispose of any hazardous products to reduce risk. Our top priority is always the safety of our team and clients.
Metal Painting Steps
Identify the Metal
At RGB House Painters, we always start by identifying the metal. Ferrous metals such as iron and steel require rust-resistant primers, whereas nonferrous metals such as aluminum and copper require self-etching primers. We test with a magnet: if it sticks, it’s ferrous. This step helps us choose the correct primer as well as ensures lasting adhesion.
Remove Old Paint and Rust
We take time to strip off any old paint or rust. We use wire brushes, sanding tools, or grinders to clean the surface until it is smooth. We utilize rust removers to completely break down stubborn rust. After that, we wipe the surface with acetone or degreaser to ensure it is pristine.
Scuff Up the Metal
To help the primer bind, we carefully sand the surface. Medium-grit sandpaper is ideal for this phase, particularly on flat surfaces where paint tends to slide off. We always wipe down the surface afterward to remove any dust and create a clean foundation for primer application.
Prime the Metal
We do not skip the primer. For ferrous metals, we utilize rust-resistant primers, while for nonferrous metals, we use self-etch primers. Light, even coats produce the best effects, and we allow each layer to dry completely before adding the next. Priming protects the surface and lays the groundwork for a strong finish.
Apply the Paint
Once primed, we apply the paint. Spray painting is our preferred method for intricate designs and even coverage, whereas brush-on paint works well for larger surfaces that require a thicker coat. We work in thin layers, allowing each to dry before adding more. This technique eliminates drips and provides a smooth, professional finish.
Allow to Cure
Patience is key to curing. For indoor projects, we let the paint dry for 36–48 hours, preferably in a clean, ventilated space. This step hardens the finish, making it chip-resistant and long-lasting. For extra durability, depending on the project, we may add a clear sealant or topcoat.
When to Call a Professional
Some jobs need expert care. For heavily rusted or corroded metals, we recommend professional metal painting services. At RGB House Painters, we have the tools and experience to handle complex projects like antique restorations and structural beams.
Items like appliances and custom metalwork often require precision and flawless finishes. We use professional-grade spray tools to deliver high-quality results that are hard to achieve at home.
If your project involves intricate designs or safety-critical parts, we’re here to help. Professional metal refinishing saves time, ensures durability, and guarantees a polished look.
How We Can Help
At RGB House Painters in London, Ontario, we know metal painting inside and out. Whether it’s refinishing outdoor railings, restoring rusted gates, or giving appliances a professional-grade finish, we’ve got the expertise and tools to get the job done right.
We use high-quality primers, rust-resistant paints, and advanced spray painting techniques to deliver smooth, durable results. Our spray booth setup allows us to handle even the most intricate designs with precision and care.
If you’re looking for reliable spray painting services in London, Ontario, or surrounding areas, give us a call. Let’s discuss how we can help you bring your metal surfaces back to life with finishes that last.
