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Ontario Building Code

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Volume 1

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Division B

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Part 3

3.2.3.10. Unlimited Unprotected Openings

Feb 03, 2026© King's PrinterJan 16, 2025

(1)

An exposing building face in a storage garage with all storeys constructed as open-air storeys is permitted to have unlimited unprotected openings provided it has a limiting distance not less than 3 m.

(2)

The exposing building face of a storey that faces a street and is at the same level as the street is permitted to have unlimited unprotected openings if the limiting distance is not less than 9 m.

  • (1)
  • (2)

Mentioned in

  • 3. Fire Protection, Occupant Safety and Accessibility
  • 3.1.5.5. Combustible Cladding on Exterior Walls
  • 3.1.6.9. Exterior Cladding
  • 3.2.3.1. Limiting Distance and Area of Unprotected Openings
  • 3.2.3.7. Construction of Exposing Building Face

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