It costs between $10 and $100,000 to build a business sign ... Corplast, Coroplast, and sometimes plastic cardboard all refer to the same material. In fact, it is a twinwall plastic with fluting in ...

"The benefits to the environmental cost of cardboard is that you can put it in the recycling bin, and paper is processed differently [than plastic]," Zahrah says. "In a recycling center ...