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 |
|
| glass Thickness, mm | Maximum glass Area, m2 |
|
|
|
|
| |
|
|
| Type of glass |
|
|
|
|
| |
|
|
| 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.
In Plain Language
Glass must have adequate structural sufficiency for its intended use, as set out in this article, ensuring it can withstand the wind, impact, or other loads it will be exposed to.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.