
Residential service in Toronto and the GTA
Mold Remediation
Professional mold remediation for attics, basements, walls, ceilings and other affected residential areas.
What the attic is telling you
Signs you may need this
Weather usually gets blamed first. Escaping attic heat is often the real source.
- Dark staining on attic sheathing or rafters
- Frost or damp plywood during cold spells
- A musty smell in upper rooms
- Staining concentrated near a bathroom or kitchen
- Water marks near a roof penetration
- Blocked soffits with staining across the whole attic
The source is part of the work
Staining on attic wood means that surface has been wet repeatedly. The moisture usually comes from warm indoor air condensing on a cold surface, from a fan discharging into the attic, or from a roof leak. Treating the surface without correcting the source is why attic mold comes back, so the source is identified and addressed in the same project rather than quoted later.
Is this the right call for your home?
When it applies
- There is visible staining or growth on attic surfaces
- The attic has a history of frost, condensation or leaks
- Insulation below the affected area has been wet
When something else comes first
- The concern is air quality without any visible condition, which is a different assessment
- Species identification matters for your situation, which is specialized testing
This is a building condition, described as a building condition. We do not make health claims, and visual staining is not a species identification.
How the work runs
Our process
Inspection and source tracing
Where the moisture comes from, and how far the affected area extends.
Containment
The work area is isolated before any surface is disturbed.
Removal of affected material
Insulation and materials that have been wet or contaminated are taken out.
Surface treatment
Affected wood is cleaned and treated.
Source correction
Air sealing, ventilation or duct correction so the condition does not return.
About this service
Questions we get on this one.
Specific to mold remediation. Tap a question.
Eco-Therma
Usually replies the same day
Why does attic mold come back after cleaning?
Because the moisture that fed it is still there. Correcting the source is part of the work, not an upsell.
Do you test the mold?
Visual staining is not a species identification. If testing matters for your situation, that is a separate specialized service.
Does the insulation have to come out?
Only where it has been wet or contaminated. Dry material in good condition can often stay in place.
A practical next step
Get a quote on mold remediation.
Send your address and the approximate size of the space. We come back with a remote estimate and what still needs to be confirmed on site.







