Kingspans GreenGuard GG25-LG XPS Scored Square-Edge Foam Insulation Board also provides long-term performance and reliability. It is engineered to withstand the elements, resisting compression and maintaining its insulating properties over time. Whether used in new construction or for retrofitting existing buildings, this XPS foam board helps create a more energy-efficient, moisture-resistant building envelope, contributing to lower energy bills and a more comfortable indoor environment. With an R- 5 value per inch of thickness, the GreenGuard GG25-LG board helps maintain energy efficiency by reducing heat loss in colder climates and preventing heat gain in warmer environments.