PlastiSpan Type 3 R4.27

PlastiSpan Type 3 Rigid Insulation is a type of closed-cell polystyrene foam insulation designed for use in various construction applications. It is available in 4' X 8' sheets that are 1" thick and have an R-value of 4.27.

This type of insulation provides a high level of thermal resistance, helping to keep heat inside buildings during cold weather and prevent heat from entering during hot weather. PlastiSpan Type 3 is also resistant to moisture, making it an ideal choice for use in areas where dampness or humidity may be a concern. It is often used in walls, roofs, and other areas where insulation is needed to improve energy efficiency and comfort.