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 ...

Expanded or extruded polystyrene insulation boards are best suited for floor insulation. As they will be installed underneath the supporting floor, the boards need good compressive strength to handle ...