Styrofoam / Green Building & Sustainable Home Renovation Information & Advice

What is the difference between open-cell and closed-cell spray foam? Both open and closed cell spray foam are chemical-based insulation products that expands upon application when sprayed onto surfaces such as the sheathing between studs. The fundamental difference between open-cell and closed-cell spray foam lies in t...

...Styrofoam insulation’ as it is often mistakenly called, which it isn’t. It may seem like splitting hairs, but Styrofoam is a brand name of XPS insulation, it is not EPS insulation, and environmentally speaking they're very different - read more here. A good part of the reason why EPS foam insulation gets such a bad rap...