Learn about the sustainable advantages of building with steel. Discover how specifying steel can contribute to LEED credits as well as compliance with International Green Construction Code (IgCC) requirements.
Steel Door Institute (SDI) was established in 1954 as a non-profit business association that develops standards for steel doors and frames. These standards are available free of charge so architects can ensure quality and consistency of steel doors and frames. SDI members are the only manufacturers that have been audited to ensure they meet our standards.
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