Aluminum Composite Material (ACM), sometimes referred to as Dibond™, is a durable, lightweight, and cost-effective signage solution made from two aluminum sheets bonded to a recycled, solid polyethylene core. This combination provides excellent rigidity while remaining significantly lighter than solid aluminum. ACM signs are weather-resistant, making them perfect for both indoor and outdoor use. Commonly used for business signage, real estate signs, and directional displays, ACM is a long-lasting, high-impact choice for professional graphics.
Common Thickness and Sizes


Aluminum composite Thickness Options: Typically available in 3mm (⅛”) to 6mm (¼”) thickness.
Panel Sizes: Standard sizes include 4’x8’ (1220x2440mm) and 5’x10’ (1524x3048mm), with custom sizes available for specialized projects.
Why Choose ACM for Signage?
Lightweight Yet Strong:
Aluminum composite panels are significantly lighter than solid aluminum or other metals, making them easier to transport, handle, and install while still maintaining exceptional durability.
Smooth Surface for Graphics:
The flat aluminum surface of ACM is ideal for high-quality graphics and supports:
- Digital Printing: Vibrant, high-resolution images.
- Screen Printing: Crisp and long-lasting designs.
- Vinyl Graphics: Custom lettering and branding.
Superior Weather Resistance:
Aluminum composite panels are built to withstand UV exposure, moisture, and temperature fluctuations, ensuring your signage remains intact and visually appealing for years, even in extreme outdoor conditions.
ACM vs. Solid Aluminum:
ACM is a lighter and significantly more affordable alternative to solid aluminum while maintaining impressive durability. The polyethylene core adds strength and prevents bending, making ACM a superior choice for most signage applications.
Best Applications for Aluminum Composite Signs
Outdoor Signage:
- Building Signs: ACM Signs are perfect for storefronts, business branding, and corporate identity.
- Wayfinding Signs: Durable enough for public spaces, directional signs, and navigations, aluminum composite material now has a high percentage of the wayfinding market.
- Monument Signs: Used for free-standing signs due to its weather resistance and clean look.
Indoor Signage:
- Ideal for office directories, lobby signs, and retail displays.
- The smooth finish of ACM allows for premium, high-end designs that enhance interior aesthetics.
Event Signage:
- Great for trade shows, exhibitions, and event promotions due to its lightweight, portable, and easy installation.
ACM Fabrication Techniques

Cutting: ACM panels can be cut into intricate shapes using CNC routers for precision designs.
Routing for Folding: Partial routing (V-grooves) allows aluminum composite panels to be folded into 3D signage.
Direct Printing: UV printing produces high-resolution images and text directly onto the panel.
Vinyl Applications: ACM’s smooth surface is ideal for adhesive vinyl graphics, making it a favorite among sign makers.

Conclusion: Why Dibond™ / ACM is the Best Choice for Your Signage Needs
ACM is the go-to material for signage due to its perfect blend of durability, aesthetics, and cost-effectiveness. Whether you need permanent business signage, directional displays, or temporary event signs, ACM delivers outstanding performance.
Looking for expert advice on ACM signage? Contact us today at (813) 447-4770 or visit our website for more information!