windows and doors from the WoodAluminium series

LAK81 LINEA plan


High-performance insulation is paired with extremely clean and minimalist design where the fixed frame and moving frame form a single continuous line. The unit can be installed flush with the wall, maximising natural light indoors.

Unit composed of 100-mm fixed frame and 81-mm moving frame with triple sealing profile and three seals, equipped with exterior aluminium-profile casing.
Exterior aluminium coating available in a wide range of finishes, including faux wood and matt RAL colours.
54-mm thick triple glazing with perimeter seal.

download the technical sheet

Frame cross-section mm 79 x 110

Window-panel cross-section mm 81 x 70

Number of seals 3

Thermal transmittance:

Glass Ug value 0.5 W/(m²K) at 54 mm thick

Window Glass 4-20Ar-4-20Ar-33.1 Low-E warm edge

1 panel Virtual dimensions 1000 x 1480 mm

Extra-softwood 0,84

Softwood 0,88

Semi-hardwood 0,94

Hardwood 0,97

2 panels Virtual dimensions 1230 x 1480 mm

Extra-softwood 0,90

Softwood 0,95

Semi-hardwood 1,00

Hardwood 1,00

French window Glass 33.1-20Ar-4-18Ar-33.1 Low-E warm edge

1 panel Virtual dimensions 1000 x 2180 mm

Extra-softwood 0,81

Softwood 0,84

Semi-hardwood 0,89

Hardwood 0,92

2 panels Virtual dimensions 1480 x 2180 mm

Extra-softwood 0,83

Softwood 0,87

Semi-hardwood 0,92

Hardwood 0,94

Air permeability (window and French window)
Class 4


Window Class E1050

French window Class 7A

Wind resistance

Window Class C5

French window Class B4