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There are many different products and materials to use as your air barrier. Consider the ability of each for ease of continuity, ease of installation and durability.

Common types of air barriers typically include:

• House wrap (WRBs)
• Sealed plywood or OSB
• Gypsum board (airtight drywall)
• Interior polyethylene

NEW AIR TIGHTNESS MEASURES?

As we design and construct buildings that are expected to perform to higher levels of energy efficiency and air tightness, we're seeing new air barrier materials join the process:

• "Smart" air and vapour barrier roll-type fabrics
• Aeresol fogging