STYRO-FLEX expanded polystyrene (EPS) has long been used as a mainstream insulation material for commercial and residential construction. It is a lightweight, closed-cell, foam plastic insulation that is highly resistant to moisture and will not degrade over time, making it ideal for above and below-grade applications. Available in densities ranging from 1.00 to 2.00 pcf to meet your specific application requirements, STYRO-FLEX EPS provides excellent design flexibility and cost-effectiveness.