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New Zealand House DNA

Complex-cladding transition era

More complex forms and changing cladding practice, requiring careful weathertightness interpretation.

1980–2004
Common assembly context

What may be original

  • Region-specific envelope and service systems
  • Later retrofit layers should be recorded separately
Priority clues

What deserves attention

  • cladding interfaces
  • deck junctions
  • window flashings
  • hidden moisture
First checks

Reduce uncertainty first

  1. Confirm original construction era
  2. Record major renovations
  3. Compare symptom timing with weather and system use
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Original era is only the start.

Record later insulation, windows, roof, ventilation and service replacements in My House before relying on era assumptions.

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