A light resilient foam of polystyrene. Also referred to as polystyrene on our site.
                                                            
                                                     
                        
                                                
                        
                        
                            STYROFOAM is a trademarked name for a specific form of insulation manufactured by The Dow Chemical Company. "STYROFOAM" is not synonymous with "polystyrene."
                                                            
                                                     
                        
                                                
                        
                        
                            Trademark name of a rigid, lightweight, polystyrene plastic insulating board.