9.27.2.2.(6)

Intent

Intent 1:

To exempt exterior walls from the requirement to install a capillary break, where:

  • lesser protection will not adversely affect the performance of building assemblies,
  • damage to the building will have limited adverse consequences,
  • the walls, and intersecting or supported floors, are not susceptible to moisture damage, or
  • other methods are used to minimize moisture ingress.

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