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Leak & Moisture Detection

Hidden moisture is the root cause of most mold problems. We locate it precisely—without tearing into walls—so you can fix the source, not just the symptoms.

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Why Moisture Detection Comes First

Mold needs moisture to grow, and moisture hides. We use non-destructive instruments to map water through walls, floors, and ceilings—and thermal cameras to see temperature anomalies that indicate active leaks or condensation—giving you a precise location before any repair work begins.

Moisture detection helps you:

—Pinpoint the exact source of a leak before demolition
—Map moisture spread behind walls and under flooring
—Identify condensation-prone areas before mold appears
—Confirm repairs were effective after water damage is addressed

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Methodology

How We Detect Moisture

Non-destructive tools that locate water without cutting into your property.

We measure the moisture content of walls, floors, and ceilings using both pin-based and non-invasive pinless meters—mapping the full extent of saturation without surface damage.

Best for:

— Drywall, wood framing, and subfloor assessment
— Mapping moisture spread after a water event
— Establishing baseline readings for monitoring

Our thermal cameras detect temperature differentials across surfaces. Water-loaded materials hold heat differently than dry materials, making leaks and saturated zones visible behind finished walls.

Best for:

— Finding active leaks behind drywall without cutting
— Locating plumbing or roof leaks not yet surface-visible
— Identifying condensation zones that feed mold

Every finding is documented with photos, moisture readings, and thermal images. You receive a clear report so contractors, insurers, or property managers can act immediately.

Report includes:

— Moisture readings mapped by room and surface
— Thermal images with annotated anomaly locations
— Probable source identification and next steps

Checklist

When Do You Need Moisture Detection?

Moisture detection is the right first step if:

—You smell mold or dampness but can't find the source
—You've had a plumbing leak, roof leak, or flood
—You're buying a property and want to verify no hidden moisture
—You had water damage and want to confirm the area is fully dry
—Recurring mold keeps coming back after surface cleaning

Moisture detection is often the fastest and most cost-effective way to scope a mold problem before committing to testing or remediation.

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Detection Services

Our Detection Methods

Two complementary tools that together give a complete picture of moisture conditions in any building.

1Thermal Imaging

Infrared cameras reveal temperature anomalies that indicate hidden leaks, condensation zones, and moisture paths behind finished surfaces.

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2Moisture Detection

Pin and pinless meters precisely measure moisture content in walls, floors, and ceilings—mapping the full extent of saturation without destructive investigation.

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Mold inspection Novi FAQ

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Novi grew rapidly in the 1990s and 2000s, and properties from that era are now entering the age range where original building systems show first failures. Original asphalt shingle roofing installed in 1995 to 2005 is at or approaching the end of its 25 to 30 year design life, and the first signs of failure appear as slow leaks at penetrations and valleys before the visible damage below the roof deck is obvious. Original HVAC systems from this era develop condensate drain line failures that deposit moisture inside air handler cabinets and wall cavities adjacent to mechanical rooms. Newer tight-envelope construction also traps interior humidity when ventilation systems underperform — a ventilation failure in a 2005 home produces condensation inside wall assemblies faster than the same failure in a 1960s home that was never airtight.

Yes — and the mechanism is specific to lake-adjacent construction. Properties on Walled Lake, Commerce Lake, Upper Straits, and Lower Straits sit with their lowest foundations close to the lake's water table, and in wet springs when lake levels rise, that water table rises with it. Crawl spaces and basement walls on low-lying lots experience hydrostatic pressure from the elevated water table rather than just surface runoff, and the moisture that migrates through in wet conditions establishes the humidity levels where mold grows even after the lake level recedes. Cottage-era construction converted to year-round use adds the further complication that original seasonal-use envelope details — minimal insulation, original single-pane windows — create condensation pathways during heated winter occupancy that never occurred when the building sat unheated.

Crawl space inspection is a standard part of most Novi assessments for older and mid-century construction on raised foundations. The crawl space is where Oakland County ground moisture accumulates first — clay-heavy soil retains moisture longer than sandy soil, and the combination of high soil moisture and inadequate vapor barrier in many Twelve Mile corridor homes creates the humidity levels where subfloor framing mold develops years before it's visible from the living space above. The inspection maps moisture readings across the framing and joists, checks vapor barrier coverage and condition, evaluates cross-ventilation through foundation vents, and documents any visible growth for surface sampling. Crawl space findings define whether the condition is a maintenance issue or an active growth problem requiring remediation.

For newer homes in Lyon Township built on former agricultural land, yes — in a specific way. Agricultural tile drainage systems were installed across Oakland and Livingston County farmland to dry out soil for crop production, and those systems now run beneath residential foundations and landscaping. When tile drainage is disrupted during grading or fails from age, the drainage capacity it provided is lost and the soil tends toward its original saturated condition. Properties in Lyon Township's newer subdivisions built on former crop fields should have the crawl space or basement moisture profile assessed specifically, because the soil moisture conditions beneath them may not match what the surrounding neighborhood's newer construction suggests.

Pre-purchase inspection in Walled Lake is worth doing specifically given the lake-adjacent conditions — the inspection should assess crawl space and basement moisture with the water table context in mind, not just as a standard interior space. For Wixom's older residential stock, the inspection should cover the plumbing walls and attic condition in addition to any basement or crawl space. In both communities, the combination of older construction and the moisture profiles specific to their geography makes pre-purchase inspection more informative than a standard home inspection, which typically notes a musty smell or a stain rather than mapping the moisture source.

Our Novi team covers all of Novi, Wixom, Walled Lake, Commerce Township, and Lyon Township with same-day and next-day appointments and 24/7 emergency response for active water intrusion. Several neighboring cities have their own dedicated 24H Mold Inspection pages: Farmington Hills and Livonia each have separate coverage with their own local teams. South Lyon is served from the Novi team. If your property is in Farmington Hills or Livonia, those pages will have the most relevant local information.

Inspection and testing only. In Novi's range of construction eras — from 1920s Walled Lake cottages to 2010s Lyon Township custom homes — moisture sources and remediation scopes vary significantly, and a company with cleanup work to sell has a financial reason to find more than the instruments confirm. What you receive is the diagnosis: extent of growth, moisture source, lab-confirmed species, and a written report you can use to get comparable bids from multiple contractors. Because we perform no remediation, our post-remediation verification carries no conflict of interest.

Post-remediation verification confirms that a remediation contractor's work succeeded — affected material was removed, the moisture source was controlled, and indoor spore counts are back within normal range. It's needed whenever a remediation was performed and a property owner, buyer, insurer, or lender requires independent confirmation. In Novi's lake-adjacent Commerce Township properties, where persistent water table conditions mean a remediation that didn't address the source will return within a season, independent verification is particularly important. Because 24H Mold Inspection never performs remediation, the clearance test carries no conflict of interest.

Commercial inspections in Novi follow the same instrument-based approach as residential work, scaled to the property's size and complexity. For Main Street mixed-use buildings, the inspection focuses on rooftop drainage, mechanical room condensate management, and ground-floor retail moisture conditions that migrate into the residential floors above. For older Wixom industrial-to-commercial conversions, below-grade mechanical spaces and loading dock areas are the primary focus. Reports are written to be handed to a property manager, commercial tenant, or insurer with no remediation interest behind them.

Yes — pre-purchase inspections are a regular part of our Novi work given the activity in both the established Twelve Mile corridor neighborhoods and the newer Lyon Township developments. The report delivers thermal imaging findings, moisture meter readings, crawl space or basement condition, and lab results in a format that agents, lenders, and escrow companies can use. Turnaround is typically two to three business days from inspection to written report, and same-day and next-day appointments are usually available to work within escrow timelines.

A standard single-family home inspection takes two to three hours. Older Walled Lake and Wixom homes with crawl spaces and lake-adjacent conditions take longer than newer Novi slab-on-grade construction. Commerce Township lake properties with crawl spaces, dock access, and seawall adjacency take the most time of any residential configuration. The written report with lab results is delivered within two to three business days. Same-day and next-day appointments are usually available with 24/7 emergency response for active water intrusion.

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Location

24H Mold Inspection of Novi

Phone

(833) 674-2898

info@24hmoldinspection.com

Hours

MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
Friday6 AM – 6 PM
SaturdayClosed
SundayOpen 24 hours

Service area neighborhoods

Novi
Wixom
Walled Lake
Commerce Township
Lyon Township
South Lyon (adjacent)