In this world, only time is eternal. And all that exists is allotted only a piece of time. Someone a little more, someone a little less. People strive for the results of their activities to exist longer. Especially useful things. Here windows should live as long as the house costs. But this is not always the case. The lifespan of windows depends on many factors - workmanship, design, operating conditions (especially the climate affects) and the material from which they are made. And now only plastic windows are installed in new buildings. And the old wooden ones are also replaced with plastic. And these windows are a rather complex engineering product. And there is a lot of things that can break. And it is expensive. And the zealous owner thinks: how to make a plastic window practically eternal?
Read in the article
- 1 How does a plastic window work
- 2 What's aging in a plastic window
- 3 Conclusion
How does a plastic window work
The design is based on a modular principle. A PVC profile window is assembled from individual block-modules. The basic elements of the structure are the frame, filling the opening, fittings, installation parts, accessories.
The frame of the window frame is made of a plastic profile with galvanized steel fittings. Either opening sashes are inserted into the frame, or glazing immediately, which can be made by double-glazed windows or mono-glass.
All window mechanics are referred to as "fittings". This set contains everything you need to open and close the doors in different combinations - hinges, handles, slats, cylinders. As well as devices for providing micro-ventilation.
In addition, the kit includes installation elements - a window sill, drainage systems, special parts and other equipment.
The profile has a system of chambers that increase thermal insulation and reduce heat loss through the frame, as well as increase its rigidity. The frame is firmly installed in the window opening and the sashes open and close. The sash has a special profile that ensures tight closing. The profile is usually produced in white, but color samples can also be found.
A double-glazed window is inserted into the frame. After all, the window is designed so that daylight enters the home. True, for example, the side walls of the balcony railing can be opaque, sandwich panels are inserted there. But they are a good heat insulator.
A double-glazed window is assembled from several glasses - two or more, connected to each other hermetically using a spacer. This frame is made of plastic or aluminum and is filled with a moisture-absorbing compound. This is to prevent condensation from occurring. The gap between the glass panes is needed to minimize heat transfer through the window and provide sound insulation.
The glasses themselves are also tricky. Outside, they have a laminated film that reflects excess sunlight. Glasses can also be tinted. On the inside, the glass is covered with an oxide film, which returns the heat to the room, which is also created there. In fact, glass is energy efficient. Multifunctional glasses do not let heat out of the room and do not let the sun's heat into the room in summer. True, they reduce the luminous flux from the street to the house by 20 percent. Shockproof glass withstands strong impacts without destruction, being the line of protection of the house from unauthorized entry.
A set of fittings, attached to a modern plastic window, allows you to control the opening and closing of the sash in seasonal modes - less in winter, more in summer. There are special fittings for sliding windows. At the request of the buyer, blinds of various types, mosquito nets, anti-dust and anti-dust nets can be added to the package.
What's aging in a plastic window
Such a large set of various parts made from various materials presupposes that something will break, and something will have a scheduled service life. Glass itself can live for several centuries without losing its properties. But around the glass there are many different mixtures, additives, coatings. And they have a much shorter lifespan. For example, over time, the absorbent ceases to absorb moisture, and the windows begin to fog up from the inside. Sealing rubber has a passport service life of 10 years, a special lubricant can slightly extend it. But the rubber bands are easier to replace than to maintain. The absorbent gets old and stops absorbing moisture. Plastic profiles are welded into a structure using a special technology. But the weld seam may initially be of poor quality, cannot withstand sudden changes in temperature and crack. The window control mechanism has many rotating parts. Dust, leaves, poplar fluff get there. The combined pairs begin to wear out, the mechanisms fail. And the PVC plastic itself is immortal. It is negatively affected by solar ultraviolet light. Special substances are added to the plastic that increase its durability.
In Russia, in accordance with GOST 30674-99, a warranty period is established for the preservation of the product's properties. This period is set at 40 years.
Conclusion
Plastic windows are very popular. Many people change good wooden windows for plastic ones. But not everyone likes plastic. It has been proven that air does not pass through plastic frames and that wooden frames "breathe". But plastic frames do not require regular painting, and wooden ones lose their appearance without tint. Each owner of the house is free to choose a solution to his liking. A plastic window will not be eternal, but every landlord can extend the life of its normal operation.
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