The Ontario Building Code | Structural Sufficiency of Glass
9.6.1.3. Structural Sufficiency of glass
(1) glass shall be designed in conformance with CAN/cgsb-12.20-M, "Structural design of glass for buildings".
(2) The maximum area of individual panes of glass for doors shall conform to Table 9.6.1.3.
Table 9.6.1.3.
Maximum glass Area for doors
Forming Part of Sentence 9.6.1.3.(2)
| Item | Column 1 | Column 2 | Column 3 | Column 4 | Column 5 | Column 6 | Column 7 | Column 8 |
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| glass Thickness, mm | Maximum glass Area, m2 |
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| Type of glass |
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| Annealed | Annealed Multiple-Glazed Factory-Sealed Units | Laminated | wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired | Heat Strengthened | Fully Tempered | Fully Tempered Multiple-Glazed Factory-Sealed Units |
| 1. | 3 | 0.50 | 0.70 | (1) | (1) | 1.00 | 1.00 | 2.00 |
| 2. | 4 | 1.00 | 1.50 | (1) | (1) | 1.50 | 4.00 | 4.00 |
| 3. | 5 | 1.50 | 1.50 | (1) | (1) | 1.50 | No limit | No limit |
| 4. | 6 | 1.50 | 1.50 | 1.20 | 1.00 | 1.50 | No limit | No limit |
Notes to Table 9.6.1.3.:
(1) Not generally available.