Transitional shelters are simple wood or steel-frame structures that offer more space, privacy and protection than tents or tarps.

Within minutes, the steel-frame structure collapsed, crushing and trapping many people inside.

Hanging mesh panels, made of stainless steel conveyor belt fabric, shade and decorate the simple steel-frame structure.

These are the first known instances of protected steel-frame structures collapsing from severe fire, suggesting that many modern buildings may be more vulnerable than anyone realized.

The building features Art Deco detailing, and is a steel-frame structure faced with limestone.

It was the first substantial steel-frame structure in London.

Long-term problems with the steel-frame structure led to demolition, beginning in 1978 and there is now no evidence of their existence.

The Neo-Gothic styling features a cruciform plan on a steel-frame structure with limestone cladding.

Few homeowner or professional remodelers have the skill and equipment needed to alter steel-frame structures.

Grace estimates that it was used on 60 percent to 80 percent of the roughly 150,000 steel-frame structures built during the 1970's and 80's.