9.28.4.1.(2)

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability of excessive corrosion, which could lead to inadequate support for stucco or swelling of woven or welded wire mesh, which could lead to delamination, disintegration or cracking under gravity, wind or impact loads, or freeze-thaw stresses.

This is to limit the probability of:

  • precipitation or meltwater ingress, or
  • compromised thermal performance of components intended to provide resistance to heat transfer.

This is to limit the probability of:

  • an inadequate control of temperatures of interior spaces or relative humidity,
  • the generation of pollutants from biological growth or from materials that become unstable on wetting, or
  • deterioration, which could lead to compromised integrity of exterior walls or elements protected by exterior walls.

This is to limit the probability of:

  • negative effects on the air quality of indoor spaces,
  • the inadequate thermal comfort of persons, and
  • contact with moisture.

This is to limit the probability of harm to persons.

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