ACH Foam Technologies manufactures and supplies expanded polystyrene (EPS) products for construction, geotechnical, packaging, and industrial applications worldwide. It offers roof insulation, wall applications, sheathing and siding underlayment products, exterior insulation and finish systems and architectural shapes, structural insulated panels, and termite resistant EPS products; and perimeter, below-grade, and underslab insulation products. The Company also provides geofoam products, packaging, insulated shipping containers, loose fill peanuts, and flexible foams; and engineered components.