---
type: faq
title: "What is Coroplast made of?"
description: "Coroplast is corrugated polypropylene, a twin-wall plastic sheet with hollow fluted channels running through the center. Picture the plastic version of cor"
resource: https://www.4over4.com/faqs/general/what-is-coroplast-made-of
tags: ["Material", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is Coroplast made of?

Coroplast is corrugated polypropylene, a twin-wall plastic sheet with hollow fluted channels running through the center. Picture the plastic version of cor

Part of the **Material** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Material
- URL: https://www.4over4.com/faqs/general/what-is-coroplast-made-of