Styrofoam SM SL 2 x 24 x 96

This extruded polystyrene foam insulation by DuPont Styrofoam offers a solution for residential foundation and slab applications. The closed-cell design minimizes freeze-thaw cycling on foundation walls, reducing cracking potential whilst adding valuable thermal mass to your building. Its new formulation delivers quality performance while reducing environmental impact. Ideal for both above- and below-grade applications, this rigid foam board provides long-lasting insulation that resists moisture, soil degradation and mold growth. The durable design ensures reliable thermal performance year after year, making it an essential choice for foundation wall projects.

• Long-term insulating performance of R-5.0 per unit
• Resistant to moisture, corrosion and mold growth
• Minimum compressive strength of 30 psi
• New formulation reduces emissions
• Suitable for residential use