Aluminum roller shutters are more widely used.

These strips, in another way, are called lamellas, are a complex product. And this difficulty is explained by the fact that they provide a canvas double properties. On the one hand, this canvas should be durable, and on the other, flexible. The canvas folded into a roll takes up very little space. And in a detailed state is a strong surface resistant to mechanical influences. In order to achieve these qualities, lamellas are made of steel or aluminum. Aluminum roller shutters are more widely used. This happened for one simple reason — with equal strength, their weight is much lower than steel.