
Water infiltration expertise in Montreal: Cutting-edge diagnostics by GEQ - Building Consulting
Detection technology and detailed expert report
Water infiltration in a Montreal building, whether it's a century-old duplex on the Plateau or a modern condo tower downtown, is never a trivial incident. At GEQ – Building Consulting , we treat every leak as a technical puzzle requiring scientific expertise. Our mission is to identify the precise source of the moisture before permanent structural damage or mold-related health problems develop.
As leading experts in building assessment, our role is to translate early warning signs—damp patches, suspicious odors, or efflorescence—into an indisputable technical diagnosis. We don't just patch things up; we analyze the science of the building envelope to provide long-term protection for your property.
Groupe Expert Québec is a unique company at the cutting edge of technology using thermographic imaging, high definition humidity detector and fiber optic endoscopy which allows us to detect leaks quickly and effectively by limiting the damage. We provide you with experts and state-of-the-art equipment.
Our devices allow you to investigate and visualize the origin of problems without having to demolish your walls, floors or ceilings. We will proceed with your consent to an invasive inspection only if we deem it necessary.
We have the reputation of succeeding in determining the origin of a leak or an infiltration where other interventions have led to false leads or have failed to find the source.
During our expertise, a wealth of information is collected and summarized in a complete report, such as:
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The remaining useful life expectancy of the components;
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The extent of damage to exterior finishes (and interior if applicable);
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The causes related to the degradation of the components;
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The causes of water infiltration, mold or condensation formation;
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The annotation on a plan, by means of a clear legend, of any relevant anomaly requiring rehabilitation;
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A description of technical recommendations on the repair or rehabilitation work;
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The drafting of a complete report including a set of photos, a series of plans annotated with relevant remarks and any sketches for purposes of understanding and popularization.
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We specialize in building inspection & expertise.

Water infiltration through the foundation
Water seepage through the foundation directly affects your air quality.

Water infiltration through the roof
Water infiltration through the roof is damaging your structure.

Water infiltration in the basement
Water leaks in the basement are often detected on the sly.
Network extent
Present in all regions.
The GEQ — Building Consulting network extends across the province of Quebec, present in several geographic regions, in urban as well as rural areas.

Founded in 2017, GEQ — Bâtiment Conseil is a reference in building inspection and expertise, recognized by the courts.
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Regions served
Montreal North Shore & South Shore | Laurentians | Lanaudière | Montérégie | Central Quebec | Mauricie | Quebec City | Lévis | Beauce | Lower St. Lawrence | Chaudière-Appalaches | Saguenay/Lac-Saint-Jean
Contact 24/7
507-1184 Ernest-Lacasse Street, Lévis, QC, G6W 0V9
1-866-365-1611
