sdi.org

Sdi.org is provide information about the SDI and the member companies

The Steel Deck Institute (SDI) is a trade association that promotes steel deck construction and coordinates its member companies with regulating agencies. It serves manufacturers, contractors, engineers, and others involved in steel-framed floors, roofs, and related construction. The organization is based in Fox River Grove, Illinois, and focuses specifically on steel deck as a structural building material.

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Authority

—/100

Safety

90/100

Registered

Sep 8, 1995

31 years old · Network Solutions, LLC

3 of 4 safety checks passed (Sep 20, 2026).

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Authority & Safety, with the evidence

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Authority: not enough signals yetClear

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Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 34 days ago); 3/3 transport and email checks available (oldest recorded about 34 days ago). This is evidence coverage, not a probability that a website is safe.

No caution flags in the available scoring observations; this is not a complete safety assessment

Site history

Dated record — historical facts always carry their date.

1995
Domain registered (Sep 8, 1995).
2026
Checked today — 3 of 4 safety checks passed (Sep 20, 2026).

✓ domain continuity 31 years registered✓ live verified Sep 20, 2026

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