Material Guide

Corrugated Plastic Signs

An economical fluted plastic sheet best known for yard signs and temporary outdoor messaging.

What are Corrugated Plastic Signs?

Corrugated plastic, commonly called Coroplast, is lightweight, waterproof, and economical. Its internal flutes accept wire stakes, making it the standard choice for temporary yard signs.

Best suited for: Yard signs, campaign signs, event signs, temporary directional signs

Quick facts

Indoor useExcellent
Outdoor useGood for temporary and seasonal use
Water resistanceExcellent
Typical lifespanSeveral months to 2+ years depending on exposure and installation
Relative cost$

Advantages

  • Low cost
  • Waterproof
  • Very lightweight
  • Works with wire stakes
  • Fast to produce and easy to transport

Limitations and planning considerations

No sign material is ideal for every environment. Consider these points before specifying Corrugated Plastic Signs:

  • Can bend or crease
  • Flutes remain visible at edges
  • Not intended for premium permanent signage
  • Wind can damage improperly installed signs

Common thicknesses

  • 4 mm — standard yard and temporary signs
  • 6 mm — increased rigidity
  • 10 mm — heavy-duty specialty panels

Availability varies by manufacturer, color, finish, and project quantity.

Common applications

Yard signsPolitical and campaign signsEvent directional signsConstruction noticesTemporary retail promotions

Printing and graphic options

The best decorating method depends on durability, color, quantity, shape, and viewing distance.

  • Direct UV flatbed printing
  • Screen printing
  • Applied vinyl graphics

Installation options

  • H-wire stakes
  • Step stakes
  • Fence ties
  • Mechanical fasteners with washers
  • Frames designed for corrugated plastic
Installation matters. Wind load, expansion, fastener placement, wall construction, panel size, and local requirements can be as important as the material itself.

Cleaning and maintenance

Wipe with mild soap and water. Avoid folding across the flutes and remove signs during severe weather when possible.

Frequently asked questions

Is it suitable outdoors?

Good for temporary and seasonal use outdoor suitability. Final performance depends on thickness, graphics, mounting, sun, wind, and maintenance.

Can it get wet?

Excellent water resistance. Installation details and exposed edges still matter.

How long does it last?

Several months to 2+ years depending on exposure and installation.

Can PrintLink print directly on it?

Depending on the project, PrintLink can use direct UV printing, printed vinyl, cut vinyl, paint, or layered graphics.

What determines price?

Panel thickness, size, quantity, printing, finishing, cutting, hardware, installation, and site conditions all affect price.

Need a recommendation?

Let PrintLink help select the right material.

Tell us where the sign will be used, how long it needs to last, its approximate size, and how it will be installed.

Request a Sign Quote