IZO Glass
Cross Section: 4 - 16 - 4
Fillnig: Air
No LOW-E coatings
Heat Transfer Coefficient: Ug = 2,90 W/m²K
Double Layered LOW-E Glass
Cross Section: 4 - 16 - b4
Fillnig: Argon
b = LOW-E coating
Heat Transfer Coefficient: Ug = 1,1 W/m²K