Plastic windows, like any other surface in the house, require a certain care. You can, of course, wipe them a couple of times a year, and do not think about their purity, but then literally in a few years they probably if they are not deformed, then they certainly grow old.
At the same time, the rules that need to be observed in order for plastic windows to serve for a long time are not so complicated.
It is difficult for a person to breathe if the humidity in the room exceeds 50%. Accordingly, this indicator needs to be monitored. Check how well the natural ventilation works is in a simple way by putting a sheet of paper to the ventilation duct. The sheet resisted? So the ventilation is in perfect order. In any case, daily the room needs to be ventilated twice for 15 minutes so that excess moisture does not accumulate.
As for cleaning plastic windows, it must be carried out as the glass is polluted. And twice a year it is necessary to cover all the accessories with special lubrication of silicone.
Another important point is the drainage located at the bottom of the frame. Its channels also need to be cleaned from time to time.
Thus, observing a number of simple rules, you can save plastic windows in such a way that they will last a very long time. The only thing, do not be scared if you see a strip of condensate below the glass, this is a completely normal phenomenon.
And one more reminder. Do not hang anything on a vertically open window, and also do not leave it open in a strong wind. Naturally, to put any objects between the frame and the sash is also not worth.
In general, as you can see, the rules for the care of plastic windows are quite easy to remember.