The key to the reliability and longevity of the windows is now very fashionable to put metal -plastic windows, PVC windows are convenient and reliable, they have energy -saving and soundproofing properties. The room is supported by a comfortable microclimate, unpretentious, durable, very easy to install and care. The multi -chamber profile is enhanced inside a metal element, and in the double -glazed window, complex accessories are used, as well as the seals. All this creates strong windows of any complexity and any size. All these products will correctly fulfill their functions if they are correctly operated. PVC windows are unpretentious in maintenance. But in order to extend the period of their use, a number of specific rules must be observed. Firstly, you do not need to leave mobile sash open for a long time, do not hang severity on them. Furniture mechanisms may not withstand high pressure. Secondly, you need to open and close the packs carefully, while you need to tightly press the window canvas to the frame. Thirdly, exclude clogging of the working connections of accessories. Although these windows are wear -resistant and do not need complex maintenance, they need to be regularly inspected, washed and lubricated with running elements. It is better to use soap solution for washing. When the windows are installed, all objects are covered with a special film. It cleanses from scratches and pollution with cement mortar. After all the work is completed, the film must be removed, this must be done quickly so that the glue base, under the influence of sunlight, does not peel off the film and did not eat into the profile. If the adhesive base eats, it will be difficult to clean it. Когда готовятся откосы, надо аккуратно устранить остатки раствора и монтажную пену. If you do not eliminate it in time, this may lead to wear of the glossy surface of the profile. It is necessary to protect the elements of accessories from construction solutions.