Inspecting a skylight does not require stepping onto the skylight itself—or even getting dangerously close to it. In fact, avoiding direct contact is one of the most important safety principles when inspecting skylight assemblies on commercial and industrial roofs. Skylights can become brittle, damaged, slippery, or difficult to see, creating a serious fall-through hazard.
A professional skylight inspection should therefore combine ground-level observation, interior inspection, remote visual methods, and properly controlled roof access when necessary.
Start With a Ground-Level Inspection
The safest first step is to inspect the skylight from the ground. Look for visible signs of damage, deterioration, displacement, or changes in the surrounding roof system. Binoculars or a high-resolution camera with a zoom lens can help identify problems without requiring anyone to climb onto the roof.
From ground level, inspectors may be able to identify cracked or discolored skylight panels, missing components, damaged curbs, loose flashing, or visible debris around the assembly.
The National Roofing Contractors Association recommends that homeowners and business owners inspect roofs from ground level and use professional roofing contractors rather than climbing onto a roof without appropriate safety systems.
Inspect the Skylight From Inside the Building
An interior inspection can reveal problems that may not be obvious from outside. From beneath the skylight, inspect the diffuser, glazing, frame, curb, and surrounding ceiling area.
Look for:
- Water stains or discoloration
- Active dripping or moisture
- Cracks, fractures, or crazing
- Condensation between glazing layers
- Loose or missing fasteners
- Deteriorated seals
- Corrosion around metal components
- Daylight appearing where it should not
Interior evidence of water intrusion can help identify potential flashing or seal failures without requiring an inspector to approach the skylight from the roof surface.
Use Binoculars, Zoom Cameras, or Remote Cameras
For commercial buildings with large or difficult-to-access roofs, remote visual inspection can significantly reduce exposure to fall hazards. High-resolution cameras, telescopic camera systems, and other remote viewing equipment can allow an inspector to examine skylight surfaces and surrounding details from a safer location.
Drones may also be useful where permitted and appropriate. A drone equipped with a high-resolution camera can capture images of skylight glazing, curbs, flashings, and surrounding roof areas without putting an inspector directly beside the skylight.
Thermal imaging can provide another layer of information. When conditions are appropriate, infrared cameras may help identify areas associated with moisture or temperature differences that warrant closer investigation.
Never Assume a Skylight Can Support Your Weight
One of the most important rules is simple: never use a skylight as a walking or working surface.
OSHA specifically treats skylights as fall hazards. For construction activities, OSHA’s fall-protection standard includes skylights among holes through which workers can fall and requires appropriate protection when the applicable conditions are met.
For general industry, OSHA likewise requires protection against falls through skylights, including covers, guardrails, travel restraint systems, or personal fall arrest systems under applicable circumstances.
A skylight may look solid while having little capacity to support a person’s weight. Age, ultraviolet exposure, weathering, corrosion, previous damage, and material degradation can make the assembly especially unpredictable.
What If Close Inspection Is Necessary?
Sometimes a detailed inspection requires closer access to the skylight. In those situations, the solution is not simply to walk closer. A qualified roofing professional should establish an appropriate fall-protection and access system before approaching the area.
Depending on the roof, work activity, and applicable regulations, this can include guardrails, skylight screens or covers, personal fall arrest systems, travel restraint, safety nets, or other compliant controls. OSHA requires construction workers exposed to falls through skylights to be protected by systems such as personal fall arrest, covers, or guardrails under the applicable standard.
The Bottom Line
The safest skylight inspection is one that keeps the inspector off the skylight and, whenever possible, away from its immediate perimeter. Start from the ground, inspect the skylight from inside the building, use binoculars or high-resolution cameras, and consider drone or other remote inspection methods where appropriate.
If a closer examination is necessary, it should be performed by trained roofing professionals using the appropriate fall-protection system. At Shieldline Roofing, professional inspection should focus not only on the skylight itself but also on the curb, flashing, seals, surrounding membrane, fasteners, and evidence of water intrusion.
A skylight inspection should identify problems without creating a new safety hazard—and keeping people away from the skylight is the first step.
Related Questions
- Are skylight screens or grates required in Florida commercial buildings?
- How are skylights protected from impact damage?
- What causes skylight leaks and how are they diagnosed?
- When is it safe to send crews onto a storm-damaged roof?
- What is the difference between a curb-mounted and deck-mounted skylight?
Commercial Skylights & Roof Access
