# toeboard-minimum-height — Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)

For toeboard-minimum-height, paragraph citation is 1926.451(h)(4)(ii); type of requirement is minimum height; value (imperial) is three and one-half inches; value (metric) is 9 cm; applies to is Toeboards, recorded from its source on 2026-08-31; source re-checked 2026-09-14.

- **Requirement ID:** toeboard-minimum-height _(our reading, not quoted from the source)_
- **Paragraph citation:** 1926.451(h)(4)(ii) _(our reading, not quoted from the source)_
- **Type of requirement:** minimum height _(our reading, not quoted from the source)_
- **Value (imperial):** three and one-half inches _(verified: appears in the quote below)_
- **Value (metric):** 9 cm _(verified: appears in the quote below)_
- **Applies to:** Toeboards _(verified: appears in the quote below)_
- **Regulation section heading:** Falling object protection _(verified: appears in its own passage below)_

## What the source says

> (ii) At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1⁄4 inch (0.7 cm) clearance above the walking/working surface. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension.

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Regulation section heading

> (h) Falling object protection.

## Source

- https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-L/section-1926.451

Last verified: 2026-09-14. Review by: 2027-08-31.
Part of [Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451)](https://referencesource.org/osha-scaffold-dimensional-tolerances/).