Specifications

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