When it comes to exterior signage, durability is crucial.
In order for your sign to hold up well and make a great impression for years to come, it must resist rain, heat, humidity, and any other elements the outdoors throws at it. That’s why choosing the right metal letters for outside is critical.
Different metals have different properties that make each better suited for certain environments. Let’s take a look at three common options and what factors to consider with each.
Why Metal Letters for Outside Are a Smart Choice
Fabricated Metal Letters – Exterior
Built to Withstand the Elements
Unlike plastic or foam, metal doesn’t easily warp, crack, or fade under extreme conditions. Whether it’s blazing sun, heavy rain, or fluctuating temperatures, metal holds up and keeps your sign looking sharp.
Long-Term Cost Efficiency
Metal letters may have a higher upfront cost, but they last longer and require less maintenance in general. Because of this, metal is often a more cost-effective option over time versus cheaper alternatives that need frequent replacing.
Timeless, Professional Appearance
Metal communicates professionalism, quality, and permanence in a way that other materials don’t. For businesses, this perception matters.
Best Types of Metal Letters for Outside Durability
Not all metal letters for outside use are created equal. The material you choose will determine how your signage performs over time.
Fabricated aluminum letters, bottom mounted
Aluminum Metal Letters for Outside
A go-to choice for outdoor signage, aluminum is:
Aluminum is ideal for humid or rainy environments because it doesn’t rust. In addition, it can be painted or powder-coated for a variety of finishes, making it versatile for many different brands.
If you’re looking to strike a balance between durability and affordability, aluminum is a safe bet.
Stainless Steel Letters with LED lighting
Stainless Steel Metal Letters for Outside
A more premium option, stainless steel offers:
- Supreme durability
- Corrosion resistance
- A sleek, modern look
While stainless steel is a bit heavier and more expensive than aluminum, its durability is superior. If you’re going for a polished, upscale aesthetic, stainless steel delivers.
Custom bronze letters for national park
Bronze Metal Letters for Outside
Bronze combines durability with character, providing:
- A long lifespan
- Distinct visual appeal and beauty from patina as it ages
- Strong resistance to corrosion
Because of the unique, aged appearance that bronze develops over time, it’s a perfect choice for historic buildings, memorials, and institutions with a more classic look.
Factors That Impact the Durability of Metal Letters for Outside
Fabricated Metal Letters, painted black hollow backs
Climate and Weather Exposure
Your local environment plays a huge role in how your chosen material will perform.
For example:
- Aluminum is ideal for humid and rainy climates as it holds up well against moisture, particularly when it has an anodized finish.
- Stainless steel is a great choice for coastal areas or harsh environments, specifically alloy 316.
- Bronze performs well in a variety of outdoor conditions. It is especially suited for environments where a natural patina over time is desired.
Even the best-looking sign won’t last if it’s not built for its environment, so it’s important to select the material based on the conditions it will face daily.
Finish and Coating
The finish you choose isn’t just about looks. It acts as a protective layer that can extend the life of your signage.
Powder coating, clear coatings, and anodizing can help prevent:
- Fading
- Discoloration
- UV damage
- Corrosion
- Surface damage
Depending on your environment, you will want to consider adding a protective coating that will work with your chosen material.
Mounting Method
An overlooked aspect of signage durability is mounting technique. How the letters are installed can impact durability, especially in environments with high winds or harsh conditions. A proper installation will ensure that your letters stay in place.
Thickness and Construction
Thickness and construction both play a major role in how well exterior letters hold up over time. While thinner materials may save money upfront, they are typically more vulnerable over time. Thicker letters tend to be more durable in outdoor environments and resistant to bending, breaking, and damage.
This is also where selecting cut versus cast letters becomes important.
Cut metal letters for outdoor building frontage
Cut metal letters are made from thin metal sheets. These letters are lightweight, clean, and modern. Depending on the material and chosen thickness, they can still be quite durable and are a popular choice for commercial signage.
Cast bronze letters with oxidized finish
Cast metal letters are created using molds. The result is a product that is thicker, heavier, and more dimensional. Because of this, cast letters generally offer greater long-term durability, particularly in outdoor environments.
So, What Are the Best Metal Letters for Outside?
In summary:
- Aluminum is a versatile, cost-effective option that’s great for humid climates
- Stainless steel offers exceptional durability and a sleek aesthetic that holds up in harsh conditions
- Bronze provides a classic aesthetic and works well in a variety of climates, but it will patina over time
Ultimately, the best choice depends on your budget, environment, and brand.
Ready to Invest in Durable Metal Letters for Outside?
Choosing the right metal letters is essential to ensuring your signage not only represents your brand well, but also holds up in real-world conditions.
At Impact Signs, we specialize in creating signage that lasts. From material selection to professional installation, we’ll make sure your signage performs just as well as it looks.
We ship and install nationwide. Contact Impact Signs today to get started on your custom signage solution.
