Intent 1:
To limit the probability of:
- exposure of moisture-vulnerable interior finishes to
water, which could lead to the ingress of water into wall assemblies,
or
- compromised thermal performance of components intended
to provide resistance to heat transfer.
Where interior finishes support or
serve as required environmental separation elements, 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
- the deterioration of interior finishes, 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,
or
- the inadequate thermal comfort of persons.
This is to limit the probability of harm to persons.