A recognized blast consultant should be consulted prior to the installation of a protective glazing system to ensure that the installation is the right technical solution for a particular building. Factors that drive this recommendation from a blast consultant will include the building's security risk, its blast-load levels, condition of its existing windows and window frames, and the structural system available to restrain the window. In many cases, a variety of solutions are required for a single facility due to differing construction, glazing and blast load. A blast consultant predicts loads, analyzes hazards, and develops an engineered solution which is the most appropriate for the building.