Keller minimal windows® goes even further with designing and implementing the new NGS system. This sliding system features a lower percentage of visible aluminum profile, yet boasts even higher performance than previous systems. NGS can accommodate a glass unit up to 74 mm!
Performance:
• thermal transmittance 0.65 W/(m2K)
• burglary resistance RC3
• sound insulation 46 dB
• air permeability 4
• water tightness 8A
• wind resistance C5 Dimensions and weight:
• 18 sqm per single sliding leaf
• 1500 kg per sliding leaf .
All this can be achieved with NGS, the durable, high-performing, and almost invisible system.
