• Open out by lateral hinges

• Opening and locking by sidely positioned handles

• Arresting of the sash by handle in open position (prevents the self-shutting due to high windloads and sloped facade)

Reference building:

Palmtoren, Utrecht, Netherlands

• Sash-width x Sash-height = 1000 mm x 1400 mm
• Sash-weight = 60 kg
• Opening width = 170 mm