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3.1.11.7.(2)
ApplicationIntent
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Application
Application 1: 
Fire stopping consisting of gypsum board not less than 12.7 mm thick and sheet steel not less than 0.38 mm thick where all joints have continuous support, in locations as stated in:
  • Sentence 3.1.11.1.(1), which applies to the separation of interior wall, ceiling and crawl spaces from exterior walls and attic or roof spaces,
  • Sentence 3.1.11.2.(1), which applies to wall assemblies,
  • Sentence 3.1.11.3.(1), which applies where wood nailing elements are used in buildings required to be of noncombustible construction,
  • Sentence 3.1.11.3.(2), which applies where wood members are used in buildings required to be of noncombustible construction,
  • Sentence 3.1.11.4.(1), which applies to vertical and horizontal spaces,
  • Article 3.1.11.5., which applies to attic or roof spaces, balconies and canopies, and
  • Sentence 3.1.11.6.(1), which applies to crawl spaces.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To exempt gypsum board and sheet steel that have a certain minimum thickness from the application of Sentence 3.1.11.7.(1), which would otherwise require the material to be tested, if certain conditions are met that provide an equivalent level of resistance to the spread of fire.
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