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Why Use Blast Windows and Entry Systems?

Since the 1995 bombing of the Oklahoma Federal Building, the incorporation of blast-resistant windows for high-profile buildings has become a standard practice. Whether for retrofit or new design, blast-resistant windows and doors are a design “fact of life” today. As hard-won experience and research teaches us more about the wide-ranging effects of explosions on buildings, it’s clear that blast and ballistic resistant windows and doors will benefit a broad range of structure types (and especially their occupants) in addition to high-profile buildings.

In response to the 9/11 terrorist attacks, Graham Architectural Products began making blast-resistant products and supplying them to government and private customers. Our engineering department has extensive knowledge of government specifications and application processes that ensure proper design for the intended purpose. We are committed to an active testing program for all these products in compliance with all applicable standards.

There is no such thing as blast proof.

You often see or hear terms like: “blast proof”, “bullet proof”, “fire proof”, “water proof”. What do they really mean? In the case of “blast proof” it would mean that the window would have to withstand anything from a stick of dynamite to an a truck bomb! Windows and doors are built to withstand certain threat levels, to withstand pressures/impulses that model the effects of an explosion. If a window or door was truly “blast proof” you would not be able to see through it due to the thickness of the glazing used. It would be hard or impossible to install due to the required materials assembled weight, or the building structure itself might fail to support such a weight. A window that survives a huge explosion is of little use in a building that doesn’t!