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 ...

Foam board insulation is easy to use and a great DIY way to add some insulation. It comes in standard-size 4×8 sheets and ...

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.

Clamshell containers, cups and other food ware items made from expanded polystyrene foam are popularly—though incorrectly—called Styrofoam, which is a registered brand name for styrene foam ...