About the Polyurethane Foam Core SIPs

Although most SIPs are available with either as ¬†Polyurethane Foam Core SIPs ¬†or Expaned Polystyrene (EPS) core SIPs, we think PUR foam is a far better insulator and offers the best physical properties of any available insulating foam. R-Value. Polyurethane has a stable R-value of R-7 per inch of thickness, so you can achieve at […]