Of course, you should understand that a full warranty against burglar will not give any manufacturer. After all, everything is done by human hands, which means that these hands and can be opened. The best option – it is the automatic sectional doors only need high-quality, easy to open, select and the roles are not froze during severe frosting profile. Sectional doors have a high degree of safety, simple maintenance and a great design. It should be noted that the sectional door is already isolated, this fact will save you from additional worries and costs. If at least two torsion springs, in addition, the profiles must be strengthened and carefully adjusted.
The most vulnerable are the roller door, especially when made of aluminum, which is less strong than steel. Increase their reliability can be when you order from an armored metal aligner. But such a necessity can only be a last resort. In all other options, you can look at another port, which is more secure by hacking.
As for the sectional doors, they are divided into different classes of weak points. However, each of them will be more reliable than a variant with window shutters because cutting alignments of a single sheet are made. Not unattended area is best to install the design of high reliability.