5.1.2 Identify typical building materials that form each type of barrier system

  • Air Barrier:
    • Polyethylene
    • Spun-bonded polyolefin and woven poly propylene - exterior "house wrap"
    • Rigid insulation
    • Gasket material
    • Tape
    • Caulking
    • Poured concrete, wood or any other solid barrier
  • Vapour Barrier:
    • Polyethylene
    • Drywall sealers
    • Alkyd paints
    • Foil backed drywall
  • Moisture barrier:
    • Paint
    • Bitumen/asphalt roll on layer
    • Bitumen skin membrane(foundation)
    • Polyethylene roll material
    • Bitumen skin membrane(roofing)
    • Sheeting materials
  • Weather barrier:
    • Spun-bonded polyolefin and woven polypropylene - exterior house wrap
    • Liquid applied weather restive barriers(WRBs)
    • Building papers
  • Thermal Barrier:
    • Insulation
    • Insulating properties of other building materials