Understand Your Metal Fence Type
Identifying the metal and its characteristics will help determine the right paint for your metal fence because:
- Some paints have better adhesion to certain metals.
- Rust, corrosion, or fading can be noticed differently on different metals.
Before we explore how to buy the right paint for your metal fence, let's understand the kind of metal your fence is made of.
Iron and Steel
Iron and steel fences are strong and very heavy. They are durable as well. But if they are not painted properly and maintained well, their rusting process take place. To identify if your fence is made from one of these materials, you can press a magnet against its surface. If the magnet sticks, know that your metal fence is made of either iron or steel. For these metals, you’ll want to look for paint with excellent rust-resistant properties.
Aluminum
These fences are lightweight, resistant to corrosion, and low maintenance compared to steel and iron. However, aluminum fences usually need a coat of primer followed by a specific aluminum paint that adheres well to its slicker surface. You can identify this material by doing a scratch test. Run another metal object like a key against the surface; if the fence scratches easily, it is made of aluminum.
Wrought Iron
These fences can be molded into intricate and ornate designs. Similar to iron and steel, wrought iron fences need rust-preventing paint. Due to their detailing, it is important to get into all the nooks and crannies of the fence to keep it in pristine condition. You can perform the spark test to identify wrought iron. For this, use a grinding tool. If the metal throws long and reddish sparks, your fence is made of wrought iron.
Galvanized Steel Fence
Due to its protective zinc coating, this fence is quite resistant to rust. Painting it can be tricky since its surface is designed to inhibit corrosion (and paint adhesion). Once your fence has been cleaned to remove any residue from the galvanizing process, you can apply two coats of acrylic latex paint directly on the metal surface. You can also use a special galvanized metal primer as a topcoat.
Factors to Consider When Buying Paint for a Metal Fence
In addition to the type of metal fence, you also need to think about the following factors before selecting the best paint for metal fences.
Rust Resistance
When the metal used in building your fence starts to rust, it is very likely to affect its structural integrity and appearance. To avoid this situation, opting for paints that contain rust inhibitors can be effective. It will protect your fence against weathering and corrosion.
Weather Conditions
Paints vary in their ability to withstand the sun, rain, humidity and extreme temperatures. When you select a paint for a metal fence, you must choose one that can withstand the climate at your location. You can visit the paint desk at your local Lowes’ store to inquire about the right paint suitable for local conditions.
Finish
Decide between glossy, matte or satin finishes based on your preference.
Application
Based on your preferences, you can choose between spray, brush and roll applicators. After choosing the tool, make sure to apply multiple thin coats of paint instead of a single thick coat for the fence.
Color and UV Resistance
UV rays can cause paint colors to fade over time. If you choose a vibrant color for your fence, opt for UV-resistant paint to ensure long-lasting hue retention.
Primer Requirements
Certain metal paints are self-priming, while others require a separate primer layer for optimum adhesion and durability.
VOC
The level of VOC in paint is an environmental and health concern. Consider Low-VOC paint or no-VOC paints, to reduce the risk of exposure to harmful chemicals.
Spray paint goes on smoother and lighter, minimizing drips. A paint brush, on the other hand, offers greater control and eliminates overspray. Choose the method that’s easiest for you.
Types of Paints for Metal Fences
Let’s have a look at the different types of paints for mental fencing.
Oil-Based Enamel Paint
Oil-based enamel paint is known for its durability. It provides a robust and glossy finish that stands up well to the elements.
Pros:
- Long-lasting finish
- Excellent for high-impact and weather-exposed areas
- Often includes rust inhibitors
- Requires longer drying times
- Strong odor due to higher VOC content
Acrylic Latex Paint
Acrylic latex paint is easy to apply and it’s durable. It tends to emit less odor than oil-based paints.
Pros:
- Can be cleaned easily with water
- Quicker drying time
- Less prone to cracking
- Requires primer for better adhesion
- Less durable than oil-based paints
Direct-to-Metal (DTM) Paint
Direct-to-metal paints are specifically designed to be used on metal surfaces, such as steel, aluminum and iron. These paints are ideal for railings, furniture and doors. They simplify the painting process by eliminating the need for a separate primer.
Pros
- Protection against rust and corrosion
- Designed to adhere to metal
- Exceptional color and gloss retention
- Dries in as little as 45 minutes
Cons
- Limited color options compared to other paint types
Application Tips for a Professional Finish
- Properly clean the surface of the fence by wiping it down using white spirit. This will also help prepare your fence by removing rust, peeling paint and debris.
- Use a primer designed for metal surfaces for adhesion and longevity.
- To ensure an even coat, it’s best to paint the fence in sections. This allows you to focus on one area at a time and prevents the paint from drying out too quickly.
- If you’re using a spray gun, remember to wear a mask and protective clothing.
- Apply at least two coats of paint for a durable, vibrant finish.
- Allow the first coat to dry completely before applying the second coat. This will help to ensure proper adhesion and coverage.
- Observe the recommended drying time between coats to achieve a smooth, even finish.
You can skip the step of applying primer if you use a Direct-To-Metal Paint.