
If you have questions about SDI, please review the FAQ's listed here, or email your questions to info@steeldoor.org.
SDI products can be found at top construction and specialty distributors nationwide. Please call 440-899-0010 for more information.
For the latest specifications for steel doors and frames, go to the Fact File now or click on the ARCAT Specs. Or, use the Search tool at the top of each web page to search the web site for your information.
If you still cannot find the information you're seeking, please call SDI at 440-899-0010.
SDI has stringent requirements for membership in the association. To review our detailed membership criteria, please visit our Membership Qualifications page, or call 440-899-0010.