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9.6.7.2.(2)
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Application
Application 1: 
Thermal breaks for metal frames for doors and their glazing, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], for:
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Intent
Intent 1: 
To exempt metal frames for garage doors, storm doors, and doors that are required to have a fire-resistance rating from the requirement for a thermal break stated in Sentence 9.6.7.2.(1), where:
  • practical construction limitations outweigh the need for thermal protection (garage doors),
  • thermally broken layers are inherent to the design (storm doors), or
  • other code considerations take precedence (required fire-resistance rating).
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