Originally Posted by Levictus
It's actually called coroplast...looks like corrugated cardboard but made of plastic. You find it a lot in sign making: real estate, political etc.
Hi, I think coroplast is the USA name, and in the UK its called Correx. Its the same stuff though.
Does anyone have an opinion on whether you need a carbon stiffener with Coroplast ? Or do the flutes provide enough strength ?