Epic Branding Solutions
Coroplast 4MM

Coroplast 4mm Signs – Lightweight, Durable Printed Yard Signs & Rigid Graphics

Promote your message with Coroplast 4mm Signs from Epic Branding Solutions — a versatile and cost-effective signage solution ideal for real estate signs, political campaigns, outdoor promotions, directional signs, event graphics, and more. Made from durable, weather-resistant corrugated plastic, 4mm Coroplast delivers bright, full-color graphics that stand up to outdoor exposure, all while remaining lightweight and easy to install.

Whether you need signage for a short-term campaign or a longer-lasting promotional display, Coroplast signs provide reliable performance at an affordable price.

What Is Coroplast 4mm?

Coroplast is a fluted polypropylene plastic signage board that features a lightweight yet rigid construction. The 4mm thickness balances durability with affordability — making these signs perfect for outdoor use where wind, rain, and sun require a dependable graphic solution.

Unlike cardboard or foam board, Coroplast resists moisture and maintains its shape outdoors, so your message stays bold and visible in various environments.

Key Features & Benefits

  • Full-Color Custom Printing: Our Coroplast 4mm signs are digitally printed in vibrant, high-resolution color, ensuring your graphics, logos, and text look sharp and professional — even from a distance.
  • Weather-Resistant & Durable: Coroplast resists water, UV exposure, and typical outdoor wear, making it ideal for signs displayed in yards, storefronts, festivals, and public spaces.
  • Lightweight Yet Sturdy: The 4mm polypropylene board is easy to transport, handle, and install — while still standing firm as a rigid sign solution.
  • Versatile Installation Options: Use H-stakes, frames, easels, grommets, zip ties, or mounting hardware to display your Coroplast signs in yards, fences, walls, and more.
  • Budget-Friendly & Effective: Coroplast offers an affordable signage solution without compromising visibility or durability — perfect for short-to-mid-term campaigns and promotions.

Product Specifications 

Specification Details
Size24 x 18, Custom Size
Quantity 1 to 9999
CutContour Cut (Any Shape)
Hardware None , H-Frame Stake (1/sign) , H-Frame Stakes (2/sign) , Spider Stake (1/sign) , Spider Stakes (2/sign)
GrommetsNone,4-Corners , Top Corners , Top & Bottom: Corners & Center
Round CornersNone ,, 1/2" Round Corners
Drilled HolesNone , Top & Bottom Center , Top Corners , All Corners

FAQs

A 4mm Coroplast sign is a lightweight, corrugated polypropylene plastic sign commonly used for yard signs, political signs, real estate signs, and outdoor promotions. The 4mm thickness provides a balance of durability and affordability.

Yes. Coroplast is water-resistant and designed to withstand rain and outdoor moisture, making it ideal for yard and outdoor signage.

Outdoor lifespan typically ranges from several months up to a year depending on weather conditions, UV exposure, and installation method. Adding lamination can extend durability.

Yes. While commonly used outdoors, 4mm Coroplast signs are also suitable for indoor displays, trade shows, directional signage, and retail promotions.

Coroplast signs are digitally printed in full color using high-resolution printing technology to ensure vibrant graphics and sharp text.

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