Inspection service

Roof inspection and expertise

Independent expert — no roofing work sold. Roof thermography for commercial, industrial, and institutional buildings.

Schedule a roof inspection
Certified InterNACHI Practice ASTM C1153 Survey by drone
Roof inspection and expertise

An independent diagnostic, before committing to costly work.

Redoing a commercial roof is a major expense. We carry out no corrective work and sell no roofing: our only role is to establish the assembly's real condition and its remaining service life, so the decision to repair or replace rests on facts.

Commercial flat membrane roof — remaining service life assessment by Boreon
Anatomy of a commercial roof

What happens beneath the membrane

A flat roof is an assembly. Click a layer to discover its role and what Boreon detects there.

Axonometric cutaway of a flat roof assembly, from ballast to load-bearing structure.

The six layers
01 Gravel / protectionBallast, UV protection
02 Waterproofing membraneThe barrier against water
03 Cover boardRigid base under the membrane
04 InsulationR-value, dew point
05 Vapour barrierAgainst condensation
06 Load-bearing structureSteel decking and framing

Select a layer to explore its role, its failure modes, and what Boreon detects.

01

Gravel / protection

Protects the membrane from UV rays and impacts.

What deteriorates

Ballast displacement, water retention, blocked drainage.

What Boreon detects

Bare zones and water pooling, identified during the survey.

02

Waterproofing membrane

The waterproof barrier: the most critical component of the roof.

What deteriorates

Cracks, open seams, blisters, perforations at penetrations.

What Boreon detects

Water entry points, often invisible to the eye, confirmed by thermography.

03

Cover board

Rigid, continuous base that receives the membrane.

What deteriorates

Soaked or delaminated board, or misaligned joints.

What Boreon detects

Moisture above the insulation and weakened zones under the membrane.

04

Insulation

Ensures energy performance and manages the dew point.

What deteriorates

Saturated, compressed insulation losing its R-value.

What Boreon detects

Moisture trapped in the insulation, mapped by thermography.

05

Vapour barrier

Prevents interior vapour from condensing inside the assembly.

What deteriorates

Discontinuous, punctured, or poorly connected membrane at flashings.

What Boreon detects

Condensation and abnormal moisture migration within the assembly.

06

Load-bearing structure

Receives and transfers all roof loads.

What deteriorates

Corrosion, overloading, deflection, and differential movement.

What Boreon detects

Structural sagging and water retention, before failure occurs.

Drone thermography

Detecting moisture through thermography

Water retained in the insulation changes the roof's surface temperature. Captured by drone, the thermal camera reveals these variations invisible to the eye and delineates their exact extent, making it possible to target a repair instead of replacing the entire roof.

Survey performed per the ASTM C1153 practice, the infrared imaging standard for locating moisture trapped in roofing systems.

Schedule a thermographic survey
Drone thermographic survey of a commercial roof revealing moisture trapped in the insulation

Your roof deserves an independent diagnostic before you commit to costly work.

Schedule a roof inspection

Repair or replace: what a roof diagnostic must settle

01

A roof is an assembly

A flat roof is not a surface, it's a stack of six distinct functions: ballast, waterproofing membrane, cover board, insulation, vapour barrier, and load-bearing structure. Each can deteriorate independently of the others, and a defect in one often shows up at the location of another.

02

Where the water hides

The most costly item isn't the membrane, it's the saturated insulation beneath it: it loses its R-value, compresses, and adds weight to the assembly. This trapped moisture stays invisible to the eye, but it changes the roof's surface temperature — and that is exactly what a thermographic survey reveals.

03

Delineate before deciding

Knowing there's water isn't enough: you need to know its exact extent. This delineation is what makes a targeted repair possible instead of replacing the entire roof, turning a major expense into a proportionate intervention.

Our difference

Why choose Boreon?

Certifié InterNACHI Accréditation LEED

Independent expert — no roofing work sold, no conflict of interest

Drone thermographic survey per ASTM C1153 practice

500+

Roof sections inspected on major projects across Quebec

Full assembly reading, from ballast to load-bearing structure

Request an inspection

Describe your roof and your need.