Mold remediation in Calgary

Mold always follows moisture. In Calgary-area homes the usual triggers are plumbing and roof leaks, basement seepage during spring melt, ice damming after freeze-thaw cycles, sewer backups, and humidity trapped in poorly ventilated bathrooms and attics. Left alone, a patch the size of your hand can spread through drywall, framing, carpet underlay, and HVAC systems — and the spores it releases affect air quality throughout the building.

Our remediation process

1. Find and fix the source. There is no point cleaning mold while it's still being fed. We locate the moisture source — leak, condensation, drainage, ventilation — and coordinate the repair before remediation begins.

2. Contain the area. We seal the affected zone with poly sheeting and run negative air with HEPA filtration so spores don't spread to clean areas of the building during removal.

3. Remove and clean. Affected porous materials (drywall, insulation, underlay) are removed and disposed of in sealed bags. Salvageable surfaces are HEPA-vacuumed, cleaned, and treated. If disturbed materials in an older home might contain asbestos, we test first — mold and asbestos frequently show up in the same wall.

4. Dry and verify. We dry the space to safe moisture levels with commercial dehumidifiers and air movers and verify with moisture meters before closing anything back up.

5. Restore. Because we also do restoration, the same team rebuilds what was removed — insulation, drywall, paint, flooring — and does the final clean.

Mould or mold — and how it differs from mildew

You will see it spelled both ways in Canada. Mould and mold are the same word; mould is the Canadian and British spelling, mold the American one. Mould remediation, mold remediation, mold removal, mould removal, mold abatement — whichever you searched for, this is the page. Insurance paperwork and lab reports here use both, so do not read anything into which one appears on a document.

Mildew is different, and the distinction matters when you are deciding whether to call anyone. Mildew is a surface growth — flat, powdery, usually grey or white, and it wipes off tile and grout. Mold grows into porous material such as drywall, insulation and framing, which is why it comes back when you only clean the surface. If it wipes away and stays away, it was probably mildew. If it returns in the same spot, something behind the wall is still wet.

Mold removal in Calgary — what we actually do

If you searched for black mold removal, that page covers what the colour does and does not tell you, and why finding the water matters more than what the growth looks like.

“Mold removal” and “mold remediation” are the same service; the second is just the name the industry and the insurance adjusters use. Either way, the job has three parts and the order matters: find and fix the moisture, contain and remove the affected material under negative air, then dry and verify. Spraying a product on the surface and repainting is not mold removal, whatever the label says — it comes back, because the water source is still there.

In Calgary the call is most often a basement: a wall or floor that got wet in a spring melt, a summer downpour, or a burst pipe in January, and was not dried fast enough. In a house built before 1990 the wet drywall and flooring also need asbestos testing before they come out, which is why one contractor for both saves you a week.

Signs you may need mold remediation

• Musty odor in a basement, bathroom, or closet that doesn't go away
• Visible staining or fuzzy growth on walls, ceilings, or window frames
• A recent flood, leak, or sewer backup that wasn't professionally dried
• Allergy-like symptoms that improve when you leave the house

Where we work

We provide mold remediation across Calgary and the surrounding communities, including Calgary, Airdrie, Cochrane, Okotoks, Chestermere, Strathmore, High River, Red Deer.

Related reading

• Black mold in the basement: what to do
• Basement flooded? The first 24 hours