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9.30.2.4.(1) | Application | Intent |
OS3 | OS2 | OH1 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Minimum joint offset for panel-type underlay required
to be installed over plywood, OSB or waferboard, 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 that excessive differential movement
of adjoining subfloor panels will be transmitted through the underlay panels,
which could lead to the displacement or cracking of finished flooring.
Where finished flooring is required to provide water resistance,
this is to limit the probability of the ingress of water into the underlay
and the subfloor, which could lead to:
This is to limit the probability of negative effects on the air
quality of indoor spaces, which could lead to harm to persons.
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