Expanded polystyrene (EPS) and extruded polystyrene (XPS) are both made from the same raw material, but where they differ is ...

Foam core insulation may be a popular choice for homes, but not so much for the environment. Thankfully, these eco-friendly ...

I hate Styrofoam so much that it is almost a personality trait. Even before I knew the sinister plastic foam’s real name, it haunted me as a child. The painfully synthetic texture of a foam cup made ...

In his guide, he details the difference between XPS (expanded polystyrene) and EPS (extruded polystyrene) and how each product’s closed cell and open cell nature affects the final board.