NATURA 64 Techical Data:
Maximum U-value for a standard window is 1,4 W/m2k
Glazing heat transmission for NATURA window is Ug 1,1 W/m2k
Low-E Energy Glass as standard -Low-emissive (Low-E) glass is window glass that has been treated with an invisible coating, creating a surface that reflects heat, while allowing light to pass through.
Dubble glazed with Argon gas filled panes. Warm-edge glazing as standard.
Sound insulation: 32-47 dB.