Hot-rolled steel purlins predate modern metal building systems by decades. A multitude of industrial buildings constructed since the beginning of the twentieth century utilized hot-rolled channel and ...

Cold-formed C and Z purlins are the workhorses of the industry. Configurations of these members have originated at the bending press they represent the two basic ways to bend a sheet of metal into a ...

Industry's move to electric arc furnaces and architects' specification of light gauge framing systems are helping to improve the sustainability of building projects ...

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And that's a bargain when you consider the benefits. A metal roof typically lasts 30 to 50 years and instead of covering the whole roof with plywood, you just nail a few 2x4 “purlins” across the ...

It has been accused of dumping cheap steel on the global market to beat out competitors. During his administration President Trump pushed China to cut production, and more recently, in 2024 ...

In 1945, a B-25 bomber on its way to Newark Airport in New Jersey crashed into the 79th floor of the Empire State Building. Amazingly, the building suffered only minor damage. The Empire State ...

From evaluating structures, designing building components, to understanding multiple material systems, building design and construction professionals need to work with diverse materials, such as steel ...

First, you need a building plan to create a ‘twig tier’ foundation – there go your two sticks. This first tier is one of five, with the wood, stone, sheet metal, and armored tiers increasing ...

2-Year U.S. Treasury Note Continuous Contract $102.801-0.070-0.07% 5-Year U.S. Treasury Note Continuous Contract $106.953-0.180-0.17% 10-Year U.S. Treasury Note Continuous Contract $110.063-0.344 ...