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E-mail: info@cnrollershutter.com
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FAQ










Roll-formed or extruded?


     Both roll-forming and extrusion use a strip of solid, high-grade aluminium as their starting point.

For particularly robust, extruded roller shutter boxes, the aluminium strip is heated, drawn against a part and then pushed through a die with the utmost precision. The individual blanks are then die-cut.

     For stable, roll-pressed roller shutter boxes, the strip material (aluminium coil), which already has a premium coating applied to it, is shaped using a rolling system (roll-forming machines with sets of rollers), accurate to the millimetre.

Depending on the size of the box, the mill-finish solid aluminium is between 1.5 and 2.2 mm thick.

Why aluminium? Wood and plastic look good, too.


Aluminium is far superior to other materials such as wood or plastic when in comes to durability, cost-effectiveness and functionality – and also when extreme precision during manufacture is important. It also has the advantage of an outstanding cost-benefit ratio.

In general, aluminium is ideal for construction products which are exposed to the weather day in, day out. It is a lightweight material which at the same time is very strong.

On account of their light-fast surface coating, Alulux roller shutters never need to be repainted. Our aluminium roller shutter profiles are available in 18 different standard colours, so you are bound to find something that suits your tastes.

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