As for the implementation of the installation itself, it is fashionable to carry out at minus 15 degrees, for this a special “winter” mounting foam is used. The installers of the above company have been successfully engaged in the manufacture of high -quality window structures, as well as from the correct installation. The advantage of the winter installation is also that it will immediately be possible to see all the flaws that can be eliminated on the spot «so far hotly». The competitive market leads to a decrease in the cost and increase in the quality of window products.