The reliability and quality of operation of the front door largely depends on the literacy of its installation and here it does not matter the price and quality of this door. In order that all the declared characteristics of the front door, in strength and reliability, were able to appear in full glory, it is necessary to properly install it. Often the problem of installing the front door disappears by itself when it is installed by the same company from which it was ordered. This kills several birds with one at once, firstly, in this situation, you do not need to look for specialists to install the front door and, in the second one, a warranty is always given for such an installation. Although of course you can install the door yourself, this will save some money. But at the same time, it should be said that an independent installation of the front door is not such a simple task, in addition to the tools, it also requires the skills of carrying out such work, and the money will have to be spent in any case, since they will need to buy installation foam. By the way, now the sale of apartments in Novosibirsk is very popular.