<P> Steel buildings first gained popularity in the early 20th century . Their use became more widespread during World War II and significantly expanded after the war when steel became more available . Steel buildings have been widely accepted, in part due to cost efficiency . The range of application has expanded with improved materials, products and design capabilities with the availability of computer aided design software . </P> <P> Steel provides several advantages over other building materials, such as wood: </P> <Ul> <Li> Steel is structurally sound and manufactured to strict specifications and tolerances . </Li> <Li> Any excess material is 100% recyclable . </Li> <Li> Steel does not easily warp, buckle, twist or bend, and is therefore easy to modify and offers design flexibility . Steel is also easy to install . </Li> <Li> Steel is cost effective and rarely fluctuates in price . </Li> <Li> Steel allows for improved quality of construction and less maintenance, while offering improved safety and resistance . </Li> <Li> With the propagation of mold and mildew in residential buildings, using steel minimizes these infestations . Mold needs moist, porous material to grow . Steel studs do not have those problems . </Li> </Ul> <Li> Steel is structurally sound and manufactured to strict specifications and tolerances . </Li>

The introduction of steel as a building material allowed for
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