VERT / GREEN
Small areas: use recommended precautions and dry completely.
Mould remediation: cause, containment and verification
Distinguish limited cleanup, extensive contamination, materials to remove and especially the moisture source that must be corrected.
JAUNE / YELLOW
Recurrence, strong odour or hidden contamination indicate cleanup alone may be insufficient.
ROUGE / RED
Large area, contaminated water, affected cavities or recurring problem: professional assessment/remediation.
Project triage
What the professional checks
A qualified specialist can define extent, moisture source, containment, removal and post-work verification.
Official sources
Vérifié / checked: 2026-08-23
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Screen hazardous materialsKnow when to stop and assess asbestos, lead, vermiculite, mould, silica or radon.Open →Track indoor air qualityLog CO₂, radon, PM2.5, humidity and temperature without turning readings into diagnoses.Open →Prepare the emergency sheetDocument controls, equipment, contacts and critical locations in a printable format.Open →Score home resiliencePrioritize water, outages, fire, climate, health and essential records.Open →Sort observed symptomsConnect a visible sign to plausible causes, urgency and the right professional.Open →
Tools related to this issue
V14
Systems to check before closing the work
V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
V19
Edge systems to integrate into the project
V19 covers interfaces that become important when multiple home systems interact.