Weight (Steel 1.5 mm): 9.4 kg/m²
Weight (Steel 2 mm): 12.6 kg/m²
Weight (Steel 3 mm): 18.8 kg/m²
Weight (Aluminium 1.5 mm): 3.2 kg/m²
Weight (Aluminium 2 mm): 4.3 kg/m²
Weight (Aluminium 3 mm): 6.5 kg/m²
Thickness: 22 mm
Head-on transparency: 39%
Maximum transparency: 55%