Sentence 9.28.6.4.(1)

  1. OH1
  2. OS2
  3. OS1
  4. OS3
  5. OP1

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability of:

  • drying before hydration is complete (or inadequate curing), or
  • the cracking of stucco due to shrinkage, or gravity or lateral loads.

This is to limit the probability of:

  • excessive moisture transfer by capillary action, or
  • inadequate strength to resist gravity, lateral, impact or abrasion 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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