GWP Correx® use a spread of manufacturing procedures to make your Correx® products, all of that's in carried out in house to always make certain the best quality. CAD chopping The most print measurement for just one sheet of Correx® fluted polypropylene board is 8’ x 4’ (2440mm x 1220mm). https://www.indigosupplies.com/blogs/news/protect-floors-and-surfaces-with-correx%C2%AE-temporary-floor-protection