V39 · Specialized diagnostic
Wine cellar or cold room: temperature, vapour and condensation
Create a room colder than the house without condensing moisture inside walls, ceilings, doors or adjacent rooms.
VERT / GREEN · JAUNE / YELLOW · ROUGE / RED triage
What the professional checks
The envelope/HVAC specialist checks dew point, air/vapour continuity, cooling capacity and condensate drainage.
Official / technical sources
Sources checked 2026-08-23. Local requirements and exact products control.
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Start from a symptomOrganize plausible causes, observations, urgency and the right professional.Open →Track water useCompare meter readings and flag unusual changes.Open →Review water resilienceConnect flooding, drainage and future events to building adaptations.Open →Score home resiliencePrioritize water, outages, fire, climate, health and records.Open →Plan site, drainage and utilitiesCoordinate access, water, sewer, wells, septic, grading and site constraints.Open →
V31
Commissioning and everyday safety
V31 helps verify systems after work and document the values that make a home safer to operate.
V47
V47 interfaces not to miss
These details are small on a drawing but can control water, structure or durability.