How Does GPS Perform Compared to XPS and Poly ISO?

What Is GPS? Graphite Polystyrene (GPS) is a type of polystyrene foam insulation and is the insulation material that forms the core of Halo’s Interra®, Exterra®, and Subterra® panels. GPS is basically Expanded Polystyrene (EPS) which is infused with graphite particles. These graphite particles reflect radiant heat as it moves through the insulation, thus slowing down heat transfer considerably. […]
Type 1 Graphite Polystyrene (GPS) vs. Type 2 Polyiso: Which Is Best For Your Project?

Wondering whether Type 1 GPS or Type 2 Polyiso is the better fit for your next project? Check out this side-by-side comparison between Type 1 Graphite Polystyrene (GPS), and Type 2 Polyiso (Polyisocyanurate).
Here’s How Halo’s Neopor GPS Foam Cores Handle Extreme Moisture and Temperature Swings

Neopor’s GPS has shown an incredible ability to ward off deterioration, shed moisture, and keep steady R-Values in the face of extreme temperature and moisture changes. Learn how Halo’s advanced rigid insulation products offer long-term quality, even in the harshest of environments.