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Moisture Intrusion Analysis Services

Identify hidden water infiltration with expert moisture intrusion analysis. We locate leaks in walls, roofs, and facades using advanced diagnostic tools.

Water infiltration can silently damage your building’s structure, finishes, and indoor air quality. Our moisture intrusion analysis services use advanced diagnostic tools and building science expertise to locate leaks — before they turn into expensive repairs or mold issues.

What is Moisture Intrusion Analysis?

Moisture intrusion analysis is the process of identifying, tracking, and documenting the source of water infiltration in building envelopes. This includes roofing systems, curtain walls, foundations, windows, and wall assemblies. We combine infrared thermography, moisture meters, and visual inspections to pinpoint where water is entering—and why.

Why You Need Professional Leak Detection

  • Identify the exact source of water damage quickly and accurately
  • Use non-invasive methods to avoid destructive testing
  • Prevent long-term structural deterioration and costly mold remediation
  • Support insurance or warranty claims with proper documentation
  • Protect building occupants and preserve property value

Our Moisture Intrusion Services Include:

Learn more about moisture intrusion strategies from Building Science Corporation’s Water Management Guide.

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Have a building we should look at?

Tell us about the building and what you are seeing. Our consultants work across Chicago, Milwaukee and Minneapolis.

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Further reading

From the technical library

Common questions

How is moisture intrusion analysis different from a moisture survey?
A survey locates and maps wet material. Analysis explains it. We take the survey data, add interior symptoms, exterior conditions, weather correlation and assembly information, then determine the mechanism responsible — bulk water, condensation, capillary action or an interior source — and identify why the construction permits it.
Can you tell the difference between a leak and condensation?
Usually, yes. Condensation typically correlates with temperature and interior humidity rather than rainfall, appears at predictable cold spots such as framing, fasteners and thermal bridges, and often affects broad areas uniformly. Correlating symptom timing with weather data, surface temperatures and interior conditions is a routine part of the analysis.
Will you have to cut into finishes or the exterior?
Non-destructive methods come first, and in many cases they are sufficient. Exploratory openings are proposed only when the concealed condition cannot be confirmed any other way, and the locations and extent are agreed with you in advance so that the openings are minimal, purposeful and restorable.
Do you perform the repairs you recommend?
No. Inspec inspects, tests, investigates, designs and advises; we never perform repair work. That independence is deliberate — our conclusions are not shaped by a repair scope we stand to sell. If you choose to proceed with corrective work, we can prepare documents and observe the contractor's work on your behalf.
What should I have ready before the site visit?
Anything that shortens the search: original or record drawings, prior repair invoices and roofing or waterproofing warranties, and a log of when and where leaks appear. Photographs taken during active leaking are especially useful, since staining alone does not show how fast water arrived or from which direction it ran.
The leak only happens in certain weather. Is that a problem?
It is useful information. Leaks tied to wind direction, driving rain, snowmelt or cold snaps point toward different mechanisms, and that pattern narrows the investigation considerably. Where a leak will not appear on demand, controlled water testing lets us reproduce the conditions rather than wait for them.
Can the analysis cover a whole building, or only the area that is leaking?
Either. Some assignments are a single recurring leak at one location. Others start there and extend to comparable details across the building, because a flashing detail that failed at one window was usually built the same way at the others. We agree on scope with you before work begins.
Can your findings be used in a dispute?
Our reports document what was observed, what was tested and what the evidence supports, with photographs and locations. Owners frequently share them with contractors, insurers and attorneys. If a matter is heading toward formal proceedings, tell us early so the investigation and documentation are planned with that use in mind.