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9.19.1.3.(2) | Application | Intent |
OH1 | OS2 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Clear air space between insulation baffles and the
underside of the roof sheathing at the junction with exterior walls, in attic
and sloped roof assemblies, in buildings to which
Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9], where insulation is installed above the ceiling and below the
roof sheathing.
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability of inadequate airflow through the
vented space, which could lead to:
This is to limit the probability of:
This is to limit the probability of:
This is to limit the probability of harm to persons.
Intent 2: To exempt junctions of sloped roofs and exterior walls where
preformed baffles are installed from the minimum clear air space dimensions
specified in Sentence 9.19.1.3.(1), based on the demonstrated effectiveness
of a reduced unobstructed space provided by insulation baffles.
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