9.25.4.2.(1)

Objective

OS2 Structural Safety

Attribution

Intent

Intent 1:

To limit the probability of excessive water vapour diffusion through vapour barriers, where the intended use of the interior space will not result in high moisture generation.

This is to limit the probability of condensation, which could lead to deterioration, which could lead to compromised structural integrity of assemblies acting as environmental separators, which could lead to harm to persons.

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