The two most common 3D-letter materials differ radically in how they handle light and what they cost to install.
When to choose Acrylic
- Front-lit or backlit halo lighting
- Translucent or colour small letters
- Indoor or covered installations
When to choose ACM
- Large sizes 50 cm+ — for light installation
- Outdoor facades exposed to sky
- Non-illuminated letters
Side-by-side
| Criterion | Acrylic | ACM |
|---|---|---|
| Transparent | Yes | No |
| Weight | Mid | Low |
| Outdoor life | Good | Very good |
| Cost at large size | High | Low |
Bottom line
LED lighting? Acrylic. Large non-illuminated letters on a facade? ACM.