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 ...

This is as true for insulation board as it is for the ubiquitous expanded polystyrene kind of foam used for everything from coffee cups to packaging material. Those stick-type hot wire cutters ...

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.