Miller, general manager of US MgO Company, said his firm is to create what could be the first commercial-scale manufacturing plant in the U.S. for magnesium oxide sheathing panels. General contractors use the panels in place of traditional gypsum or wood materials for walls, floors and subflooring. The material is used mainly in larger structures, such as apartment buildings.
Currently, US MgO imports the panels from China and sells them to contractors, but the materials are subject to a 25% tariff that could increase by another 10% or more in the near future, Miller said.
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