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Mould at baseboard corner in a Pickering home

Mould Remediation in Pickering

Mould inspection, containment, and removal for homes and businesses in Pickering. IICRC certified specialists.

647-563-9966 · Available 24/7

Mould removal and inspection in Pickering

Pickering's housing stock reflects the city's development in two distinct phases. The older corridor along Kingston Road and through the Brock and Dunbarton neighbourhoods is predominantly 1970s and 1980s detached homes, many of which have had basement suites added over the years. Those conversions rarely included any moisture assessment of the space, and the combination of aging foundation waterproofing, original weeping tile, and years of accumulated minor water events has left mould inside wall assemblies that new tenants and new owners inherit.

South Pickering, near the Lake Ontario shoreline and Frenchman's Bay, sits above a water table that fluctuates with lake levels. High-water years, which have become more frequent along the Great Lakes, push groundwater against basement walls in the lakefront corridor. Homes that have had foundation seepage over multiple seasons without waterproofing upgrades commonly have mould behind their basement drywall without any dramatic visible sign.

The newer Seaton community in north Pickering, built primarily in the 2010s, faces different issues. Attic mould from improperly terminated bathroom fans is the most common finding, and it tends to appear five to ten years after construction when the accumulation on the roof sheathing becomes extensive enough to notice during an inspection. Duffin's Creek and its tributaries also cross through the area, and lots near those waterways can see groundwater pressure effects similar to what the older south end properties experience.

Cleaning mould without containment makes it worse

Disturbing mould without negative air pressure containment sends spores through your HVAC system and into every room. The result is cross-contamination that turns a contained problem into a whole-house one. Proper remediation requires the right equipment and training.

Our mould services in Pickering include

  • Mould inspection and visual assessment
  • Air quality and spore count testing
  • Attic mould inspection and remediation
  • Containment with negative air pressure
  • Mould removal and disposal of contaminated material
  • Antimicrobial treatment with eco-friendly products
  • Post-remediation clearance air testing
  • Residential houses, basement suites, and condominiums
Mould colony in corner of a Pickering basement wall

Think you have mould in Pickering?

Call us for an inspection. We find the source, scope the problem, and tell you what is needed.

647-563-9966

Mould is usually a consequence of water damage that was not fully dried. If you have had a recent flood or backup, see our water damage restoration in Pickering. To test the air quality before or after remediation, see our air quality testing service.

Questions from Pickering homeowners about mould

Our older home in south Pickering near Frenchman's Bay has a persistent smell in the basement. Could that be mould?
Almost certainly yes. Properties close to Frenchman's Bay sit above a water table that fluctuates with lake levels and seasonal rainfall. Older homes in that area often have foundation walls and floor joints that allow groundwater seepage, and if that moisture has been recurring over years, mould is well established in the wall framing. A moisture meter inspection will confirm where the elevated readings are and what is likely growing behind the walls.
Our Seaton home is only four years old. We found mould in the attic during a routine inspection. How is that possible?
Attic mould in newer Pickering homes, particularly in the Seaton development, is often caused by bathroom exhaust fans that were connected to flexible duct terminating in the attic space rather than being properly routed through the roof. This is a common installation shortcut in production builds. Every shower pumps moist air into the attic, and mould colonizes the underside of the sheathing within a few years. Correcting the ventilation path and remediating the sheathing resolves it.
We have a basement apartment in south Pickering that has had moisture issues for years. Where do we start?
Start with an inspection to find out what you are actually dealing with. Years of moisture issues in a basement suite almost always means mould is present inside the wall assembly, under the flooring, or both. We map where the elevated moisture is, identify the sources, and give you a scope of what needs to come out and be treated. You will have a clear picture before any work begins.
Does living near Duffin's Creek increase our risk for mould?
It can. Properties close to Duffin's Creek and its tributaries in west Pickering can experience elevated groundwater after sustained heavy rain as the watercourse rises and soil saturation increases in the surrounding area. Homes on low-lying lots near the creek with aging weeping tile or inadequate foundation waterproofing are the most vulnerable. Recurring foundation seepage over time is one of the most reliable predictors of mould inside basement wall framing.
Can you do the inspection and remediation as one job, or are they always separate?
In most cases they are sequential: inspection first to define the scope, then remediation based on the findings. When the extent of the mould is clearly visible and the source is already understood, it is sometimes possible to move directly to remediation. For anything inside walls or with an unclear source, inspection comes first so the remediation work addresses the full extent and not just what was assumed going in.

Mould problem in Pickering?

Call 647-563-9966 to talk to a certified mould specialist.

647-563-9966 Get a Free Assessment

Available 24/7 • Greater Toronto Area • Bills directly to insurance

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