Double-glazing, single-chamber (4-18Ar-4), 26 mm unit, the heat transfer coefficient Ug = 1.0 W / m2C (BS EN-674), an inter-pane cavity filled with argon.
Triple-glazing, twin-chamber (4-10Ar-4-10Ar-4), 32 mm unit, the heat transfer coefficient Ug = 0.8 W / m2K (EN-PN 674), an inter-pane cavity filled with argon.
Triple-glazing, twin-chamber (4-4-10Kr 10Kr-4), 32mm unit, the heat transfer coefficient Ug = 0.6 W / m2K (EN-PN 674), an inter-pane cavity filled with krypton. Maximum glass thickness in frame 40 mm, in sash 44 mm.
Aluminum Spacer – standard. Warm edge spacer – option.