Holey-Board is Dyplast Products expanded polystyrene (EPS) foam insulation specifically designed for user in lightweight concrete (LWC) roof applications. It is a rigid cellular, lightweight, resilient, foam board with excellent physical properties. When structural concrete roofing applications demand high value insulation, Dyplast Holey-Board leads the way.
It cost-effectively provides superior energy efficiency, temperature range, damage and moisture control, low flammability rating, and low moisture vapor permeability. Dyplast's new facility utilizes the latest EPS technology and equipment, producing quality that leads the industry. Holey-Board is lightweight, sturdy, and workable, making it easy for one person to handle and install.