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5.4.1.2.(2) | Application | Intent |
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Application | Application 1: Materials installed to provide the principal resistance
to air leakage in building components and assemblies
where it can be shown that the installation of material with an air leakage
characteristic greater than that required in Sentence 5.4.1.2.(1) will
not adversely affect health, safety, the intended use of the building or
the operation of building services.
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Intent | Intent 1: To exempt situations from the application of Sentence 5.4.1.2.(1),
where it can be shown that the installation of material with an air leakage
characteristic greater than 0.02 L/(s • m2) measured at
an air pressure difference of 75 Pa, will not adversely affect
health, safety, the intended use of the building or the operation of building
services. |
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