1926.250(a)(1): Secure Stacked Materials
All materials stored in tiers must be stacked, racked, blocked, interlocked or otherwise secured to prevent sliding, falling or collapse.
Key takeaways
- 1926.250(a)(1) is part of OSHA's construction standards (29 CFR Part 1926, Subpart H).
- OSHA cited it 8 times in the last 3 years, in 8 inspections, with $53,468 in current penalties.
- 1 death is linked to inspections that cited this rule.
- Related part: 1926.250(a) General (10 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.250(a)(1) is one requirement inside 1926.250 General requirements for storage, an OSHA construction standard (Part 1926, Subpart H). The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(1) All materials stored in tiers shall be stacked, racked, blocked, interlocked, or otherwise secured to prevent sliding, falling or collapse. 8 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.250.
Injuries linked to this rule
1 death is linked to inspections where OSHA cited 1926.250(a)(1).
At 11:20 a.m. on March 23, 2024, an employee was adjusting the placement of 12 sheets of drywall weighing 109 pounds each. The stack fell, pinning him against the nearby door jamb. The employee was crushed and killed.
Where and how often it was cited
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OSHA interpretation letters
Related parts of this rule
- 1926.250(a) General 10 citations
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Frequently asked questions
How must stacked materials be stored?
Stacked, racked, blocked, interlocked or otherwise secured.
What is the goal?
To prevent sliding, falling or collapse.
Does this apply to all tiered materials?
Yes. All materials stored in tiers.
About this page
Sources
- 29 CFR 1926.250 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.