24/7 emergency response across Toronto + the GTACall (647) 494-5505

Specialty construction Evidence / testing / repair strategy

Building Leak Investigations

Methodical investigation of water entry through roofs, walls, windows, balconies, garages, plumbing, and concealed building-envelope paths.

Water drop forming at a fixture during a controlled leak review
16Project reference image ↗

Built around performance Details that matter

The finish is only as strong as the planning behind it.

The place where water appears is not always where it enters. Water can move across membranes, slabs, framing, insulation, pipes, façade cavities, and finishes before becoming visible, which makes guess-based repairs expensive and unreliable.

Moderno works from evidence: loss history, weather patterns, drawings, moisture mapping, visual review, access observations, exploratory openings, and controlled testing. Findings are documented so the owner can move from symptoms to a focused repair strategy.

Applications Where we can help

Planned for real properties and real operating conditions.

Our scope Coordinated delivery

One team across the critical interfaces.

01

Evidence review

Gather dates, weather, photos, prior repairs, drawings, reports, access information, and patterns that can narrow likely sources.

02

Field investigation

Inspect interior and exterior conditions, map moisture, trace assemblies, and review likely discontinuities and drainage paths.

03

Testing + openings

Coordinate controlled spray, flood, dye, drainage, plumbing, or other testing and exploratory openings where appropriate.

04

Findings + next steps

Document observations, limitations, probable pathways, immediate controls, repair priorities, and areas requiring consultant or trade input.

Our process Clear from the start

Decisions resolved before they become site problems.

  1. 01

    Listen

    Build a precise history of when, where, and under what conditions the issue occurs.

  2. 02

    Trace

    Review the complete assembly and follow plausible water routes instead of focusing only on the visible stain.

  3. 03

    Test

    Use controlled, sequenced testing or openings to isolate variables while protecting interiors and avoiding false conclusions.

  4. 04

    Resolve

    Define targeted repairs, verification steps, monitoring, and reinstatement with the appropriate consultants and trades.

Technical considerations No hidden handoffs

What we resolve with the project team.

Frequently asked Practical answers

What property teams want to know.

Why does the leak appear only during certain storms?

Wind direction, pressure, rainfall volume, surface saturation, snow melt, drainage backup, and the sequence of wetting can activate different paths. Those patterns are valuable investigation evidence.

Can a leak always be found without opening walls or ceilings?

Not always. Non-destructive observations and moisture tools can narrow the area, but small exploratory openings may be needed to understand concealed assemblies or confirm a pathway.

Do you also complete the repairs after investigating?

Yes. Moderno can coordinate targeted repairs and reinstatement once the likely source and appropriate scope are established, with consultant involvement where the project requires it.

Related expertise Complete the project

More ways Moderno can help.

Have a property improvement in mind?

Plan it with the people who will build it.

Talk with our team