Div. B › Part 9 › 9.10 › 9.10.17 — Flame Spread Limits

9.10.17.6 — Calculation of Wall and Ceiling Areas

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(1) Skylights, glazing, combustible doors, and combustible light diffusers and lenses shall not be considered in the calculation of wall and ceiling areas in this Subsection.

OBC Definitions

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combustible

means that a material fails to meet the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials”.

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