Correx boards are constructed from corrugated polypropylene, also referred to as a fluted plastic board. This substance can make for reliable signage resulting from its rigidity, and colorfast, water-resistant and weatherproof Homes. The utmost print size for an individual sheet of Correx® fluted polypropylene board is 8’ x four’ (2440mm https://www.indigosupplies.com/blogs/news/protect-floors-and-surfaces-with-correx%C2%AE-temporary-floor-protection