| Height of Glass | Type of Glass | Minimum Nominal Thickness (mm) | Maximum Number of Vertical Butt Joints | Maximum Panel Width |
|---|---|---|---|---|
| ≤ 1.2 |
Annealed Heat Strengthened Toughened Laminated |
6.0 6.0 6.0 6.0 |
No Limit No Limit No Limit No Limit |
No Limit No Limit No Limit No Limit |
| >1.2 ≤ 1.6 |
Annealed Heat Strengthened Toughened Laminated |
8.0 8.0 6.0 6.0 |
No Limit No Limit No Limit No Limit |
No Limit No Limit No Limit No Limit |
| >1.6 ≤ 2.0 |
Annealed Heat Strengthened Toughened Toughened Laminated Laminated |
10.0 10.0 6.0 8.0 6.0 8.0 |
No Limit No Limit 1.2 No Limit 1.2 No Limit |
No Limit No Limit 2 No Limit 2 No Limit |
| >2 ≤ 2.5 |
Annealed Heat Strengthened Toughened Toughened Laminated Laminated |
10.0 10.0 8.0 10.0 8.0 10.0 |
1 1 2 No Limit 2 No Limit |
1.0 1.0 1.2 No Limit 1.2 No Limit |
| >2.5 ≤ 2.8 |
Toughened Toughened Laminated Laminated |
10.0 12.0 10.0 12.0 |
2 No Limit 2 No Limit |
1.2 No Limit 1.2 No Limit |
| >2.8 ≤ 3.2 |
Toughened Toughened Laminated Laminated |
12.0 15.0 12.0 16.0 |
2 No Limit 2 No Limit |
1.2 No Limit 1.2 No Limit |
| >3.2 ≤ 3.6 |
Toughened Toughened Laminated Laminated |
15.0 19.0 16.0 20.0 |
2 No Limit 2 No Limit |
1.2 No Limit 1.2 No Limit |
