Comparable to the ALU 30, the ALU 40 is lower cost version due to less weight of Aluminium in the door.
Having a slat dimension of 40mm there is less articulation between slats resulting in a reduction in weight of 2 kgs/m² compared to the ALU 30. This is achieved by having only one plastic cap for two slats and screws are galvanised and not stainless steel as in the ALU 30.
Minimum-Maximum Height Range: 800mm to 2200mm
Minimum-Maximum Width Range: 800mm to 2200mm