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– European Thermal Break Chamber 77mm –

Aesthetic variants:

Straight Line | Curved Line | Rustic Line | 3D

Thermal Transmission Coefficient Uw

0.80 W/m²K

Acoustic Attenuation Coefficient


Energy Class

Class A

Air Permeability (EN 1026)

Class 4

Watertightness (EN 1027)

Class E1650

Wind resistance (EN 12211)

Class C5

Minimum rim width

77 mm

Minimum Rim View

50 mm

Minimum view Rim + Sash

90 mm

Maximum Height

2700 mm

Maximum Length

1700 mm

Maximum Weight

160 Kg

Bit height

22 mm

Glass filling

62 mm

Thermal break

34 mm



General thickness

1.5 mm

Types of opening

Opening window 1 sash Interior opening
2-sash inward
Opening window
Single-sash inward
Opening door
2-sash inward
Opening door