Introduction
The window is to give to the equipment, which is present in each house. The window function is very important because, apart from that it allows us to see what is happening outside the window it provides us with an additional light. In each house are of course the light bulb, but energy supply is different from the artificial sun, lighting our premises and are working positively to the plants. The windows are always inserted on each wall using the appropriate equipment, however, often happens so that the equipment or people fail and the window is not so constituted. Such symptoms are a number of shortcomings from the beginning of the window is leaking through to the air and passed to the estrangement of our home. With this type of course man can fight in their own way, or household measures. The situation is worst in the autumn the winter, when temperature fluctuations, and we have humidity in the most teddies be mobilized and counter windows. On the market are plastic windows, which are very tight, but many people are still in the possession of wooden windows