The Plasti-Fab PlastiSpan® 40 EPS Insulation Board is a high-density expanded polystyrene (EPS) rigid insulation board designed for applications requiring enhanced compressive strength and dependable long-term thermal performance. Manufactured from closed-cell Type 2 EPS, PlastiSpan® 40 provides a nominal R-value of 4.0 per inch, making it an excellent choice for foundation walls, under concrete slabs, exterior continuous insulation, protected membrane roofing systems, and other load-bearing applications. Its lightweight construction allows for easy handling and installation while helping reduce thermal bridging and improve overall building energy efficiency.

Each board measures 2" × 48" × 96", covering 32 square feet per sheet. Each bundle contains 12 boards, providing a total coverage of 384 square feet. The closed-cell EPS structure resists moisture absorption, maintains dimensional stability, and delivers reliable insulation performance throughout the life of the building. This product is a Special Order item, is sold by the bundle, and is non-returnable.

PlastiSpan 40 insulation is a closed cell expanded polystyrene (EPS) insulation that meets or exceeds the requirements of CAN ULC S701.1, Standard for Thermal Insulation, Polystyrene, Boards and Pipe Covering. PlastiSpan 40 insulation closed cell structure resists water absorption (less than 2% water absorption) so it will retain its R-value even in applications where severe temperature differentials occur.

PlastiSpan 40 insulation provides a minimum compressive resistance of 276 kPa (40 psi). The high compressive resistance makes it ideal for use in applications where heavy loads are expected such as low temperature freezer floor or highway construction. Due to its high compressive strength, PlastiSpan 40 insulation resists compressive creep and fatigue to deliver specified compressive resistance on the long term.