When it comes to creating signs, displays or hoarding boards, one of the most popular materials used today is the aluminium composite board. Known for its strength, lightweight nature, and sleek finish, it’s ideal for both indoor and outdoor use. But within this material category, you have two main options single-sided and double-sided aluminium boards.

Choosing the right type can make a big difference to the effectiveness and lifespan of your project. In this blog, we’ll compare single-sided and double-sided aluminium boards to help you decide which one is best suited to your needs.

What Are Aluminium Boards?

An aluminium composite board (also known as aluminium composite panel or ACPs) is made by bonding two thin aluminium sheets to a non-aluminium core. This core is often made from a polyethylene material. The result is a lightweight, rigid and durable panel that can be printed on or used as a surface for mounting.

These boards are widely used for signage, construction cladding, advertising displays, and hoarding boards. They come in various thicknesses and finishes and can withstand harsh weather conditions, making them perfect for both short-term and long-term installations.

What Are Single-Sided Aluminium Boards?

Single-sided aluminium boards have aluminium on only one face. The back is typically a different material or left unfinished, which keeps costs down. These are ideal when only one side of the board will be visible to the public.

Benefits of Single-Sided Boards:

• Cost-effective: Since only one side is coated, it uses less material, making it cheaper than double-sided options.
• Lightweight: Easier to handle and install, especially for smaller projects or temporary signs.
• Simple installation: Ideal for signs that are mounted against a wall or other solid surface.

Drawbacks:

• Limited use: Can’t be used in situations where both sides are visible.
• Less versatile: Not suitable for freestanding signs or hanging boards.

Best Uses:

• Wall-mounted signs
• Construction hoardings facing one direction
• Directional signs for indoor use
• Short-term promotions or campaigns

What Are Double-Sided Aluminium Boards?

Double-sided aluminium boards have aluminium coating on both the front and back. This makes them sturdier and more versatile, especially when both sides of the board will be on display.

Benefits of Double-Sided Boards:

• Double-sided display: Great for suspended signs, hanging banners, and signs visible from multiple angles.
• Durability: Extra strength and rigidity due to the aluminium on both sides.
• Professional look: Gives a polished finish from all angles.

Drawbacks:

• More expensive: You’re paying for double the coating and strength.
• Slightly heavier: Though still lightweight compared to other materials, it can be heavier than the single-sided version.

Best Uses:

• Hanging or suspended signs
• Retail display signs
• Informational signs in open spaces
• Freestanding or double-sided hoarding boards

Quick Comparison: Side-by-Side Features

Here’s a simple table to show how these two types of boards compare:

Use Case Scenarios

To help you understand which board suits your project, here are a few common use cases:

Single-Sided Aluminium Boards:

If you’re installing signs on construction site hoardings where only the outer side faces the public, a single-sided aluminium board is a great choice. It’s affordable, easy to mount, and gets the job done. It’s also ideal for signs that are placed against buildings or walls indoors.

Double-Sided Aluminium Boards:

If your signage will be seen from both directions  like a hanging retail sign or a suspended directional board in a shopping centre  then a double-sided board is more effective. It ensures your message is visible no matter where people approach from.

Factors to Consider Before Choosing

Before you decide which board to use, think about the following:

1. Where will the sign be placed?
   If it’s flat against a wall, single-sided may be enough. If it’s in an open area or freestanding, a double-sided one is better.
2. What is your budget?
   Single-sided boards are more economical. For tight budgets, they offer great value.
3. How long do you need the sign to last?
   For long-term outdoor use, the added durability of double-sided boards could be worth the investment.
4. Do you need printing or graphics on both sides?
   For marketing and advertising, where both sides will be seen, double-sided is ideal.
5. Do you want to reduce installation time?
   Lighter, single-sided boards are quicker to install.

Are Aluminium Boards Eco-Friendly?

Yes, aluminium is a recyclable material. Using aluminium composite boards can be a more sustainable choice, especially if they are reused or recycled at the end of their use. Also, double-sided boards can sometimes reduce the number of materials needed  for example, one double-sided sign might replace two single-sided ones.

Final Thoughts: Which One Is Right for You?

Choosing between single-sided and double-sided aluminium boards comes down to your project’s needs. If you’re looking for a cost-effective solution where only one side will be seen, go with single-sided. If visibility from multiple angles, durability, or presentation quality are important, double-sided is the better option.

There’s no right or wrong choice  just the one that suits your space, budget, and purpose best.

Ready to Print Your Aluminium Boards?

At Hoarding Print Company, we help customers find the right signage material for every project  from large-scale hoarding boards to retail displays and directional signs. Whether you need single-sided or double-sided aluminium composite boards, our team can guide you through the process and provide a high-quality print solution that fits your goals.

Contact us today to learn more or request a quote for your next signage project.