Boca Raton · TPO Flat Roof
Infrared Roof Inspection
Investigating concealed moisture in a flat roof without attic access
Roof Masters conducted an infrared inspection of a TPO flat roof in Boca Raton as part of a water-intrusion investigation. With no accessible attic space, the roof required an exterior approach that combined visual inspection with thermal imaging to help identify areas needing closer evaluation.

The challenge: tracing concealed moisture
A roof leak is not always directly above the location where water appears inside a building. Moisture can travel within the roof assembly before becoming visible indoors. Without attic access, inspection from beneath the roof is limited, making it especially useful to narrow the investigation from the roof surface.
Our approach
Using a handheld infrared camera, Roof Masters examined the TPO roof surface and documented thermal patterns alongside visible roof conditions. The selected photographs show roof-field scanning, drain-area inspection and flashing inspection. These views connect the camera display with the physical area being examined, providing useful reference points for further evaluation.

A close-up records the thermal display during inspection of a flashing area.

Comparing the thermal display with visible roof details helps identify areas for further assessment.
What thermal imaging reveals
Infrared imaging measures surface-temperature differences. Moisture within a suitable roof assembly can affect how heat is absorbed and released, creating patterns that may differ from surrounding areas. During evening cooling, wet insulation can retain heat longer than dry insulation. These differences help identify areas for verification that may not be apparent during a visual inspection alone.
From inspection to targeted investigation
The value of infrared imaging is its ability to focus the next step. Thermal observations should be compared with the roof construction, visible conditions and reported interior leak locations. Appropriate moisture testing or selective exploratory openings can then verify suspected areas and help establish the water-entry route before repairs are defined.

Learn more about our roof repair and leak-detection services and how inspection findings guide the repair scope.
Project takeaway
This Boca Raton inspection demonstrates a practical approach to investigating flat-roof leaks when attic access is unavailable. Combining thermal imaging with roofing experience can reduce guesswork, limit unnecessary exploratory openings and support a more focused repair plan.
Camera colors represent temperature differences, not a direct measurement of moisture. Sun exposure, shadows, surface water and material differences can also affect the display. The original thermal images and displayed readings have been preserved.
These photographs document the inspection process. Confirmation of wet materials or an exact leak source requires supporting field verification.
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