The Steel Door Institute, established in 1954, is a voluntary, unincorporated, non-profit association whose mission is to promote the use of standard steel doors and frames for the construction industry. Membership is open to all companies, corporations, or other U.S. based enterprises engaged for at least two years in the production for sale of swing steel doors and/or frames on a national basis.
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PRODUCTTRADE NAMEDESCRIPTIONCONTENTSpecifications, test procedures, details, documents. The Steel Door Institute has incorporated all of its documents into a single volume referred to as the SDI Fact File.
Last Update: 2013-06-26