Skylight and Roof Opening Protection
29 CFR 1926.501 · 29 CFR 1926.502 · This talk in Spanish
Why it matters
A skylight looks solid and holds nothing. Workers die every year stepping or sitting on skylights that shattered under their weight, and open roof penetrations catch workers walking backward with material. OSHA requires every hole and skylight a worker can fall through to be guarded or covered. Today we treat every skylight like an open hole, because structurally, that is what it is.
Hazards
- ⚠ Stepping or sitting on a skylight dome that cannot hold body weight
- ⚠ Uncovered curb openings and penetrations cut for units and vents
- ⚠ Covers that slide, blow away, or collapse underfoot
- ⚠ Walking backward rolling out material near openings
- ⚠ Old covers removed by another trade and never replaced
- ⚠ Poor visibility at dawn, dusk, or under snow dust hiding openings
Controls and safe practices
- ✓ Guard every skylight: screens, guardrails around it, or personal fall arrest for anyone working near it.
- ✓ Cover every roof opening with material that holds twice the maximum expected load.
- ✓ Secure covers against wind and displacement, and mark them: HOLE or COVER.
- ✓ Never sit, lean, or set material on a skylight, screened or not.
- ✓ Walk the roof at the start of the shift and flag every opening before work starts.
- ✓ When a cover has to come off, someone guards the hole until it is closed again.
- ✓ Brief every trade on the roof: your covers protect them too.
Crew discussion questions
- How many skylights and openings are on this roof, and are they all protected right now?
- What are our covers made of, and are they secured and marked?
- Which trades are cutting new penetrations this week?
- What is the rule if you find an unmarked piece of plywood on the roof?
Applicable OSHA standards
29 CFR 1926.501, 29 CFR 1926.502
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