Standard 68 mm Windows
Glazed Windows are low-carbon packages with Rw=32dB coefficient (soundproofness), and U=1,1 W/m2K.
The Tytan locking fittings from Siegenia firm which as standard, feature micro ventilation, and anti-burglar catch in the tilt and turn sashes.
Hoppe Secustik handles have a patented locking device which effectively protects security against burglary.