You are looking for fast and reliable moisture measurement for interior wall and facade leakage. We at Ultrices Leak Detection find the source without demolition using thermography, hygrometer, endoscopy, and sound measurement.
We analyze rain penetration, rising damp, condensation, leaking water pipes, rainwater drainage, porous jointing, and thermal bridges in cavity walls. We measure humidity, material moisture, and temperature, and record everything with a thermal imaging camera.
If you see mold, peeling plaster, or salt stains, we provide a clear report with causes and repair advice. Read our Google reviews about moisture measurement for interior wall and facade leakage with five out of five stars.
Table of contents
What is interior wall moisture measurement in case of facade leakage?
Interior wall moisture measurement for facade leakage involves the targeted measurement and visualization of hidden moisture in your interior walls that has penetrated through the facade from the outside. At Ultrices Leak Detection, we combine building physics with professional measuring equipment to make penetrating damp, capillary action, thermal bridges, and leaking connections around window frames or lead flashing visible. We work according to proven building physics protocols such as hygrometry, thermography, and material moisture measurements, and rule out causes such as condensation or rising damp with a clear differential diagnosis. Our measurement methods are aligned with guidelines and frameworks such as NEN 2778 for moisture penetration and moisture transfer, and we work demonstrably safely with VCA VOL and NEN 3140 certification.
Main causes of moisture in the interior wall due to facade leakage
- Facade penetrationRain penetrates porous brick or worn-out impregnating agent and reaches the inner wall via capillary action.
- Defective groutingCracks, open weep holes, or poorly adhering mortar allow driving rain to enter the cavity, often exacerbated by wind pressure.
- Cavity contamination: Bridging caused by construction debris or wet insulation material transports moisture to the inner leaf.
- Window frame and lead details: Faulty water barriers, outdated sealant joints, and leaking drip edges allow water to seep in along the connection.
- Expansion and crackingExpansion joints or hairline cracks in masonry and lintels allow water free passage.
How does professional moisture measurement work without demolition or breaking?
We combine non-destructive, mutually confirming techniques for accurate source location with a 99 percent success rate. Examples include thermography with FLIR cameras for temperature anomalies around thermal bridges and wet zones, electrical and capacitive material moisture measurements with Tramex and Protimeter, borescope endoscopy in the cavity, salt analysis for hygroscopic load, and psychrometry for relative humidity and dew point. Where necessary, we perform a controlled water test, as is common for facade and window frame testing, and use dye tracers and smoke to visualize the flow path.
Measurement methods and technology that we use
- ThermographyInfrared images show patterns of heat loss and moisture accumulation, ideal for damp spots behind plaster or a skirting board.
- Hygrometry and dew pointWith data logging, we measure indoor and outdoor relative humidity and temperature to assess condensation risk and ventilation behavior.
- Material moisture meters: Capacitive and pin measurements indicate volumetric moisture in plaster, brick, and plasterboard, including depth profile.
- Endoscopy cavityThrough a small inspection hole, we assess cavity anchors, insulation, contamination, and moisture bridges without causing demolition damage.
- Waterproof and tracer: Calibrated water load and harmless dye or smoke show exactly where the facade is leaking and where water is reaching your inner leaf.
Step-by-step leak detection process and reporting
- Intake and file creationWe collect your photos, complaint history, year of construction, facade type, and previous repair attempts so that we can take targeted measurements.
- Visual inspectionWe assess jointing, drainage details, window frame connections, lead flashing, and potential cracking around lintels and penetrations.
- Multitechnical measurementWe combine thermography, hygrometry, material moisture, and endoscopy for a consistent interpretation of the cause.
- Targeted verificationWith a water test or tracer, we confirm the route from outside to inside and rule out alternative causes.
- Analysis and adviceWe link the technical findings to building physics mechanisms such as capillary action or pressure difference and translate this into remedial measures.
- Expert reportWithin three days, you will receive an insurance-compliant report with photos, thermograms, measurement tables, and an action plan.
Leak detection process request
Signs and consequences of facade leakage in the interior wall
- Damp spots and mold: Dark discoloration, mold formation behind baseboards or behind a cabinet due to prolonged high material moisture levels.
- Salt efflorescence and plaster damage: White crystals and powdery plaster due to crystallizing sulfates and nitrates that attract moisture.
- Peeling paint and smell: Blistering in paint and a musty odor as a sign of microbial activity and limited drying.
- Cold zones: Measurably lower surface temperature due to wet wall mass and interruption of insulation, which increases the risk of condensation.
Why choose Ultrices leak detection
We work nationwide for private individuals and businesses in cities including Amsterdam, Rotterdam, Utrecht, and The Hague, and are known for fast service: on-site within an hour in emergencies, without demolition or breaking, and on a no cure, no pay basis. Our 15 years of experience, five-star Google rating, partnership with insurers, and professional equipment from brands such as FLIR, Tramex, and Protimeter ensure reliable results with guaranteed coverage. You will receive a comprehensive and clear expert report that your insurer understands, allowing you to immediately engage repair parties such as bricklayers, joint fillers, and window frame specialists. Call or WhatsApp 085 2505 217 or email info@Ultriceslekdetectie.nl for immediate advice.
During the investigation, you can immediately read in more detail about how we precisely identify a complex facade source on our page about thermography for facade damage. Thermographic facade analysis without breaking the bank (/leak-detection-services/thermography-facade-leakage/) or opt for immediate action with Targeted detection of facade leakage (/leak-detection-services/leak-facade-detection/).
Costs, insurance, and smart repair choices
Our reporting aligns with policy conditions and assists with claims recovery and repair priority. We substantiate which measures are effective, such as targeted facade impregnation with a vapor-permeable system, repair of jointing with the correct mortar class, renewal of lead flashing and water barriers, and the removal of cavity contamination. Thanks to accurate source localization, you avoid unnecessary costs and address the root cause.
For a quick price indication and scheduling, you can request a free quote within twenty-four hours directly via Quotation for targeted moisture analysis and report (/quote-requests/).
Frequently asked questions
How does moisture measurement in the inner wall work in case of facade leakage?
You want certainty regarding the source of moisture in your interior wall. We combine contact moisture meters with depth profiles, infrared thermography for thermal bridges and wet zones, cavity endoscopy, and data logging of temperature and relative humidity. If necessary, we perform a targeted spray test on the facade and a smoke test in the cavity for air and waterways. Completely non-destructive in virtually all cases.
With 15 years of experience, VCA VOL and NEN 3140 certification, and professional measuring equipment, we are available for rapid deployment nationwide. In urgent cases, we are on-site within an hour and deliver an expert report within three days. No solution, no payment, and a very high success rate for exact source localization.
Which signs indicate moisture in the interior wall due to a leaking facade
Watch out for discolored or dark green spots that worsen in the rain, loose plaster, peeling paint, mold growth, salt efflorescence on skirting boards, and a musty odor. On the thermal imaging camera, you often see cooler zones due to evaporation and capillary action. Sometimes you also hear a hollow sound when gently tapping on the affected plaster.
If it occurs mainly after wind and rain, rain penetration or penetrating damp is likely. We pinpoint the cause specifically with a facade spray test and cavity diagnostics. Read more about rain penetration during facade inspection via targeted rainfall analysis or delve into penetrating damp investigation for a sustainable solution
What does a professional interior wall moisture measurement cost in case of suspected facade leakage, and is this reimbursed?
The investment depends on the type of home, accessibility, required test combinations such as thermography, spray testing, and cavity inspection, and whether an urgent visit is necessary. You will receive a free, detailed quote within 24 hours. We work without any demolition or breaking and deliver a clear report with photos, measurements, and advice within three days.
Compensation is often possible through your buildings insurance when precipitation or water damage can be proven. We work with insurers daily and offer coverage, a guarantee, and a no cure no pay policy. Our measurement report meets the requirements for claims handling so that your claim proceeds smoothly and repairs can start in a targeted manner without unnecessary costs.
What is the difference between penetrating damp and a leak in the cavity wall, and how do you deal with it?
Penetrating damp occurs when rain seeps in through porous bricks or aging joints. A cavity leak is often caused by a defective damp-proof course, clogged open weep holes, thermal bridges, or leaking connections at window frames and pipe penetrations. The symptoms are similar, but the plan of action differs.
We identify the causes using targeted moisture measurements, infrared imaging during controlled wet loading, a facade spray test, and a smoke test in the cavity. For example, we recommend facade impregnation and joint repair in cases of moisture penetration, or repair of damp-proof courses and open weep holes in cases of cavity problems. If you would like to have this investigated without demolition, please take a look. Leak detection on the facade without demolition work for our approach and planning.