# toeboard-maximum-clearance-above-walking-surface — Every numeric dimensional tolerance and safety factor in OSHA's scaffold general requirements (29 CFR 1926.451) For toeboard-maximum-clearance-above-walking-surface, paragraph citation is 1926.451(h)(4)(ii); type of requirement is maximum clearance; value (imperial) is 1⁄4 inch; value (metric) is 0.7 cm; applies to is Toeboards, recorded from its source on 2026-08-31; source re-checked 2026-09-14. - **Requirement ID:** toeboard-maximum-clearance-above-walking-surface _(our reading, not quoted from the source)_ - **Paragraph citation:** 1926.451(h)(4)(ii) _(our reading, not quoted from the source)_ - **Type of requirement:** maximum clearance _(our reading, not quoted from the source)_ - **Value (imperial):** 1⁄4 inch _(verified: appears in the quote below)_ - **Value (metric):** 0.7 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/).