What may be original
- Region-specific envelope and service systems
- Later retrofit layers should be recorded separately
Canada House DNA
Historic cold-climate homes
Masonry basements, solid framing, plaster and successive heating-system upgrades.
Before 1945
What deserves attention
- basement moisture
- freeze-thaw
- air leakage
- legacy services
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.
