• The insulation and air/vapour barrier qualities of
  • Basement or crawl space walls and floor (i.e. the foundation)
  • Above-grade walls
  • Upper floor ceilings
  • Roof
  • Windows and doors
  • Exposed floors also a consideration

• Barriers:
  
  • Air
  • Vapour
  • Weather / Moisture
  • Thermal and foundation (CHBA Ch.6)

See Unit 5 for more details on barriers

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