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5.3.1.3.(3) | Application | Intent |
| OH1 | OS2 | OS1 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: Spray-in-place polyurethane insulation installed to
provide resistance to heat transfer in building components
and assemblies as well as at interfaces between components and assemblies
described in Sentence 5.1.2.1.(1) that are installed in buildings to
which Part 5 applies [see Sentence 1.3.3.2.(1) of Division A for application
of Part 5].
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| Intent | Intent 1: To limit the probability that the thermal performance of
the installed material will fall significantly below expectations, which could
lead to the inadequate control of heat transfer through environmental separators
under expected environmental loads, which could lead to condensation.
This is to limit the probability of deterioration, which could lead
to compromised structural integrity of the separators or of elements supported
or protected by the separators, which could lead to structural failure, which
could lead to harm to persons.
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