What may be original
- Region-specific envelope and service systems
- Later retrofit layers should be recorded separately
Canada House DNA
Post-war Canadian homes
Basements, split levels, early vapour control and variable attic ventilation.
1945–1979
What deserves attention
- attic frost
- foundation drainage
- window condensation
- insulation gaps
Reduce uncertainty first
- Confirm original construction era
- Record major renovations
- Compare symptom timing with weather and system use
Add to House DNA
Open My House →Original era is only the start.
Record later insulation, windows, roof, ventilation and service replacements in My House before relying on era assumptions.
