Sentence 9.29.2.1.(1)

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, which could lead to the deterioration of interior finishes.

This is to limit the probability of:

• where interior finishes are required to protect foamed plastics, a loss of fire protection, or
• where interior finishes are installed to contribute to the required fire resistance of assemblies, a loss of fire resistance.

This is to limit the probability of the growth and spread of fire, which could lead to harm to persons.