- 4mm often used for windows.
Toughened glass
- 12mm toughened glass very hard to break. Can sit on it. Oft used for window canopies.
- 16mm to 20mm glass is used for walkways.
Cost
- With installation and silicone (2020): Rs 550 per sqft. Additional cost for metal supports: approx Rs 100.
- With installation (2019): Rs 280-600 per sqft.