Roof Inspection JHA (Job Hazard Analysis / Activity Hazard Analysis)
Updated 2026-06-23
A Roof Inspection JHA (Job Hazard Analysis / Activity Hazard Analysis) is the plan that keeps the inspector walking a roof from falling off the edge, breaking through a fragile surface or skylight, or being injured getting onto and off the roof. Roof inspection walks and assesses the condition of a roof — combining the fall-from-edge hazard, the fragile-surface and skylight/opening hazards, and the access hazards of getting to and from the roof. This guide walks through building a Roof Inspection JHA that names the fall, fragile-surface, and access hazards and assigns the fall-protection, fragile-surface, and access controls that hold up in the field.
Why roof inspection needs its own JHA
Roof inspection walks and assesses a roof's condition — checking the membrane or covering, flashings, penetrations, drains, and the deck, for maintenance, due diligence, warranty, or pre-work assessment. Though it seems low-key ("just looking"), roof inspection puts a person on a roof with all the roof hazards, and the inspection nature means the inspector often works alone and is drawn toward the very hazards they are inspecting (edges, drains, skylights). The hazards combine the falls (from the roof edge, through openings, and from level changes — the leading roof hazard), the fragile surfaces (skylights, old or deteriorated roofing, fragile deck materials that can break through under a person — a fall-through hazard, and inspection often involves walking toward and near skylights and questionable areas), and the access (getting onto and off the roof by ladder, hatch, or stair). The fall and fragile-surface hazards justify a dedicated JHA.
Breaking roof inspection into steps
The steps for a Roof Inspection JHA follow the inspection:
- Plan the inspection and assess the roof and access
- Access the roof safely
- Establish fall protection before approaching edges/openings
- Identify and avoid fragile surfaces and skylights
- Walk and inspect the roof
- Inspect edges, drains, and penetrations with fall protection
- Manage weather and working-alone hazards
- Exit the roof safely
Each step carries a hazard, and the falls, the fragile surfaces, and the access are where the most serious risks concentrate.
The hazards step by step
Falls from edge and openings
The inspector is exposed to falls from the roof edge, through openings (skylights, hatches, drains), and from level changes — the leading roof hazard, and inspection specifically draws the inspector toward the edges (to inspect flashing and edge details) and the openings. The controls are fall protection appropriate to the roof (guardrails where present, personal fall arrest/restraint tied to adequate anchorage, warning lines and a safety-monitor system where permitted for the roof type), maintaining safe distance from unprotected edges, approaching edges only with fall protection, and the working-at-height controls. The fall from the edge or an opening is the leading hazard. (These follow the roof-work and working-at-height fundamentals.)
Fragile surfaces and skylights
Skylights, old or deteriorated roofing, and fragile deck materials can break through under a person's weight — a fall-through hazard, and inspection often involves walking near skylights and inspecting questionable, deteriorated areas. The controls are identifying and avoiding fragile surfaces and skylights (not walking on or near them), skylight protection (covers, screens, or guardrails) where present, treating unknown or deteriorated surfaces as potentially fragile, testing/assessing questionable areas without putting weight on them, and the fall-through controls. Skylights and fragile surfaces are a specific fall-through hazard for inspectors. (These build on the roof-opening-protection fundamentals.)
Access to and from the roof
Getting onto and off the roof by ladder, roof hatch, or stair carries the access hazards (ladder falls, hatch openings). The controls are safe roof access (proper ladder use and setup, safe hatch/stair access), the roof-access controls, and managing the access transition (getting on and off is a common injury point). (These follow the roof-access-setup and ladder fundamentals.)
Weather and working alone
Roof inspection is weather-exposed (wind, wet/slippery surfaces, heat), and inspectors often work alone. The controls are weather assessment (not inspecting in high wind, ice, or unsafe conditions), slip awareness on wet/frosty roofs, and managing the lone-worker situation (communication, check-in, not working alone in high-hazard conditions). The weather and lone-worker aspects are inspection-specific.
A simple Roof Inspection JHA structure
| Step | Hazard | Control | Standard |
|---|---|---|---|
| Access the roof | Ladder / hatch fall | Safe roof access, proper ladder/hatch use | OSHA 1926.1053 |
| Establish fall protection | Fall from edge | Fall protection per roof, restraint/arrest, warning lines | OSHA 1926.501 |
| Avoid fragile surfaces | Fall-through | Identify/avoid skylights and fragile surfaces, don't walk on | OSHA 1926.501(b)(4) |
| Inspect edges/drains | Fall from edge | Approach edges only with fall protection | OSHA 1926.502 |
| Manage weather | Slip / wind | Weather assessment, slip awareness, don't inspect in unsafe conditions | OSHA 1926.501 |
| Manage lone work | Working alone | Communication, check-in, don't work alone in high hazard | OSHA 1926 |
Fall protection and fragile-surface awareness
A Roof Inspection JHA centers on fall protection and fragile-surface awareness, because the inspector is drawn toward the very hazards they inspect. The fall protection addresses the leading hazard — falls from the edge and through openings, with inspection drawing the inspector toward edges and openings — controlled by fall protection appropriate to the roof, maintaining safe distance from unprotected edges, and approaching edges only protected. The fragile-surface awareness addresses skylights and deteriorated roofing that break through — controlled by identifying and avoiding fragile surfaces, treating unknown surfaces as potentially fragile, and not putting weight on questionable areas. A JHA built on fall protection and fragile-surface awareness, with access and weather controls, addresses the hazards that define roof inspection.
From the field: what actually goes wrong
In fourteen years across federal, heavy civil, and industrial projects, roof inspection is deceptively hazardous because it looks like "just looking" but puts a person on a roof and actively draws them toward the worst hazards. The falls are the leading hazard, and inspection makes them worse in a specific way: the inspector's job is to look at the flashing, the edge details, the drains, and the penetrations — which are exactly at the edges and openings. So the inspector is drawn toward the unprotected edge to do the inspection. The control is fall protection appropriate to the roof — guardrails where present, personal fall arrest or restraint tied to adequate anchorage, or warning-line and safety-monitor systems where permitted — and never approaching an unprotected edge to inspect without it.
The fragile surfaces are the other defining hazard, and they catch inspectors precisely because inspection involves examining deteriorated and questionable areas. Skylights, old or deteriorated roofing, and fragile deck materials break through under a person's weight — a fall-through hazard — and an inspector walking toward a skylight to inspect it, or stepping onto a deteriorated area to assess it, can fall through. On the projects I have run, the controls are identifying and avoiding skylights and fragile surfaces (not walking on or near them), treating unknown or deteriorated surfaces as potentially fragile, and assessing questionable areas without putting weight on them. The access on and off, the weather exposure, and the fact that inspectors often work alone round out the hazards. The JHA built on fall protection and fragile-surface awareness is the one that protects the roof inspector.
The bottom line
A Roof Inspection JHA names the fall, the fragile-surface, and the access hazards with specific controls — fall protection appropriate to the roof with edges approached only protected (the inspector being drawn toward edges and openings), identifying and avoiding fragile surfaces and skylights, and safe roof access. The falls and the fragile surfaces are the defining hazards. The JHA that manages both is the one that protects the inspector.
Frequently asked questions
Why is roof inspection a fall hazard if it's "just looking"?
Roof inspection puts a person on a roof with all the roof fall hazards, and it specifically draws the inspector toward the edges and openings — because the flashing, edge details, drains, and penetrations being inspected are at the edges and openings. Controls are fall protection appropriate to the roof (guardrails, restraint/arrest, warning lines and safety monitor where permitted), maintaining safe distance from unprotected edges, and approaching edges only with fall protection.
Why are fragile surfaces a specific inspection hazard?
Skylights, old or deteriorated roofing, and fragile deck materials break through under a person's weight — a fall-through hazard — and inspection involves examining deteriorated and questionable areas, drawing the inspector near skylights and onto questionable surfaces. Controls are identifying and avoiding fragile surfaces and skylights (not walking on or near them), treating unknown or deteriorated surfaces as potentially fragile, and assessing questionable areas without putting weight on them.
How should a roof inspector handle working alone?
Roof inspectors often work alone, which raises the stakes of any incident. Controls are communication and a check-in system, not working alone in high-hazard conditions, weather assessment before and during the inspection, and ensuring someone knows the inspector is on the roof and can respond if they do not check in.
What weather conditions make roof inspection unsafe?
High wind (which affects balance and increases fall risk), ice and frost (slip hazards), wet surfaces (slippery), and extreme heat all make roof inspection unsafe or riskier. Controls are weather assessment before and during the inspection, not inspecting in high wind or icy/unsafe conditions, and slip awareness on wet or frosty roofs.
Related JHAs
- Roof Work JHA — the general roof-work fundamentals
- Roof Access Setup JHA — setting up safe roof access
- Roof Deck Inspection JHA — inspecting the deck specifically
- Working at Height JHA — the fall-protection fundamentals
Written by Mustafa Tok, CSP, ASP, CHST — OSHA Authorized Outreach Trainer with 14+ years of international construction safety experience across federal, heavy civil, and industrial projects.