Here are the approximate weights per square meter (kg/m²) of the most common glass types for balustrades:

• 10mm toughened: 25kg/m²
• 12mm toughened: 30kg/m²
• 13.5mm laminated toughened: 33kg/m²
• 15mm toughened: 36kg/m²
• 17.5mm laminated toughened: 50kg/m²
• 21.5mm laminated toughened: 62kg/m²