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9.25.2.1.(1)
ApplicationIntent
OH1OS2
ObjectiveOS2 Structural Safety
Attribution
[F63-OS2.3]
Application
Application 1: 
Thermal insulation for walls, ceilings and floors separating heated space from unheated space, the exterior air or the exterior soil, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
To limit the probability of an inability to control heat transfer through assemblies, which could lead to excessively low temperatures of interior surfaces, or within wall, ceiling or floor assemblies, which could lead to 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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