Installation of plastic windows is a matter, first of all, real professionals. So that the installer can consider himself a directly full member of the installation brigade, he must take training courses and also pass exams. After that, the specialist is obliged to work only by the assistant installer at least six months. Naturally, firms do all this not for the reason that they want to increase one or another employee directly in the service. They, in fact, simply understand that only a professional can guarantee reliability and, moreover, the stability of the operation of plastic products.
As for the installation of the PVC window with your own hands, it is worth noting that this is a case associated with a huge risk to the window and, moreover, for the microclimate of the room. It may happen that you will pay a large amount outside the window and after you install it with your own hands, you can finally ruin it.
In the event that you decide to install the windows yourself, then you need to learn the installation technology of plastic windows. You can easily find it on the Internet. And you should know some of the most important rules. The most difficult thing you encounter is the end of the old window and the window block. Here you will need to use physical strength, and besides, you need to ensure that your old glass cannot fly out.