Uncompromised Security & Enhanced Protection.                                                                            GlassLock is recognized as one of the industry leaders in use and installation of Fragment Retention Films (FRF) as well as protective glazing product retrofits for controlling glass failure caused by bomb blasts, windstorm, earthquakes, spontaneous glass failure and forced entry. With years of developing, testing and installing glazing products to meet government specifications GlassLock meet all your protective glazing requirements.