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9.24.1.4.(1)
OP2OS2OH1OS1OS3
ObjectiveOP2 Structural Sufficiency of the Building
Attribution
[F20,F22,F80-OP2.3] Applies to elements that support or are part of an environmental separator.
Application
Application 1: 
Screws for fastening cladding, sheathing or interior finish materials to steel studs, runners and furring channels, in non-loadbearing exterior and interior walls of 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 the performance and physical properties of steel screws, with respect to withdrawal resistance, pull-through resistance or shear strength, will fall significantly below expectations, which could lead to an inability to resist expected lateral and gravity loads.
This is to limit the probability of the excessive movement or deformation of walls, which could lead to:
  • the structural failure of walls, or
  • for exterior walls, the excessive deformation, displacement or failure of required environmental separation elements, which could lead to deterioration.
This is to limit the probability of:
  • the space being unsuitable for its intended use,
  • compromised operation of windows and doors, or
  • damage to the building.
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