Sign Material
Acrylic
On this page
At a glance
- Type Cast / extruded PMMA
- Use Indoor / Outdoor
- Clarity Up to 92% light
- Thickness 1/8"–1/2"
- Finishes Clear / Frosted / Color
Spec Sheets — ACRYLITE
Grades & finishes for signs
LED sign-grade properties
Cutting, forming & cementing
Sheet & rod, US
Overview
What is Acrylic?
Acrylic (PMMA) is a transparent thermoplastic best known for its glass-like clarity at roughly half the weight of glass. It transmits up to 92% of visible light, takes a brilliant polished edge, and resists yellowing for years when UV-stabilized — which is why it’s a default choice for premium, professional signage.
It comes in two forms: cast acrylic, prized for optical quality and clean laser-cut edges, and extruded acrylic, valued for consistent thickness and lower cost. For lit signs, sign-grade acrylic is impact-modified to run alongside LED, neon, and other light sources without the weathering polycarbonate eventually shows.
Specifications
Key properties
| Standard thickness | 1/8", 1/4", 3/8", 1/2" (custom sizes available) |
|---|---|
| Finish options | Clear gloss, frosted, matte, and colored finishes |
| Light transmission | Up to 92% for clear sheet — exceptional optical clarity |
| Outdoor durability | UV-stable grades for long-term exterior applications |
| Fabrication | Laser cutting, CNC routing, flame-polishing, UV printing, engraving |
| Weight | Roughly half the weight of glass at equal dimensions |
Where it's used
Common applications
Flat-cut and stud-mounted acrylic letters for walls and facades.
Crisp, glass-look logo signs that elevate an entrance.
Durable, professional plaques for code-compliant interior signage.
Sign-grade faces optimized for even, vivid backlighting.
Printed acrylic panels for directories and code maps.
Affordable, rigid signage for short-to-mid-term use.
Honest assessment
Strengths & considerations
Strengths
- Glass-like clarity and high-gloss, professional finish
- Lightweight — about half the weight of glass
- UV-stable grades resist fading and yellowing outdoors
- Cuts, engraves, and prints cleanly for custom designs
- Pairs beautifully with LED and neon for lit signs
Considerations
- Scratches more easily than glass or metal
- Lower heat resistance — can warp under high temperatures
- Brittle under hard impact; can crack or chip if struck
- Attracts dust and static; benefits from periodic cleaning
Working with Signs New York
How we fabricate Acrylic signs
Acrylic is one of the materials our team handles most. We cut and laser-finish it to flawless flame-polished edges, then print, assemble, and mount — from a single reception logo to a full suite of dimensional letters. Across Manhattan, Brooklyn, Queens, and the surrounding NJ towns, we stay involved from grade selection through final install.
Compare Materials