Although foam core insulation was a popular choice in the past, foam core made of extruded polystyrene insulation (XPS) is being traded out for more eco-friendly options. Over the decades ...

If the existing siding is solid, it can serve as a base for your project. Adding extruded polystyrene foam to the outside of existing walls is often done. In my experience, two inches of ...

It's made from extruded polystyrene foam. The foam food containers we're familiar with are made from a similar, but different, product: expanded polystyrene foam, or EPS. This material is about 95 ...

In his guide, he details the difference between XPS (expanded polystyrene) and EPS (extruded polystyrene ... He cuts the foam into roughly the right shape with a hot wire. Clean up is done ...