Classic window systems. Tasks, functions, styles

We have already said many times that the purpose of any window is protection, i.e. protection against intrusion, noise, wind, dust and so on. A quality window is distinguished from a low-quality one by a proper combination of technical characteristics and by the possibility of their simultaneous operation. It is the task of the manufacturer to design such a window system. The task of the skilled window fitter is to fit the window correctly, to adjust the junction, i.e. the soffit, and to adjust the functionality. But there is also an important part of this process is preliminary work: measuring the window, preparing the opening, and possibly the dismantling of the old window, which is done in the bulk before the measurements.

What does a classic window consist of?

The completion of the upvc window is made only in the production facility and this is a very important nuance, because of the paramount importance is the equipment with which the double glazed window components are connected and fixed, as well as the adjustment of the window under the required modes and the possibility to regulate them.  A classic window consists of the following components:

  • The profile or frame,
  • The window leaf, formed by profile sashes,
  • Fittings,
  • Seals. 

When the double glazed window is installed directly in the window opening, its equipment is increased and looks as follows:

  • Insulating glass unit,
  • Jambs,
  • Fittings,
  • Sealing,
  • Window sill
  • Frame (frame profile)
  • Casement (sash profile)
  • Mullion (strip between the sashes)

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Read more about each component

Insulating glass unit

This is a transparent construction of two or more panes of glass, tightly bonded together around the perimeter by a metal frame (“cladding”) in the order: glass then air chamber (may be filled with gas) then glass – and so on. The purpose of insulating glass units is to enhance a window’s characteristic of decreasing heat transfer rates, as air and some other gases transmit heat poorly, which, in turn, makes it possible to preserve indoor heat in winter and, moreover, regulate heat transfer over a long period of time without losing air circulation. It also has good noise insulation properties. Depending on the number of chambers, insulating glass units for plastic windows are divided into single chamber and double-chamber units.

Jambs

A finishing material that covers and decorates the parts of the wall immediately adjacent to and forming the window opening. The jambs finish is very important as it is the design of the abutment joints. Jambs, in turn, can be decorative, insulated and plastered.

Sealing

An important sealing element that runs around the perimeter of the window, protecting the structure from the formation of air bridges, hence condensation, mould and frost. 

Fittings

The auxiliary parts and components to produce a plastic window, such as: handles, hinges, latches, locks, “combs”, etc. We will cover the hardware in a separate article, as it is a multi-part system that requires special attention. 

Window sill

The lower part of the window opening on the inside of the window, made of plastic. The surface of the plastic window sill is nonporous and allows for easy removal of dirt.

Frame (frame profile)

The rigid fixed load-bearing part of the window structure, which is fixed in the window opening and holds the whole system together. The frame of a plastic window consists of a complex PVC profile, often reinforced with a special galvanized profile. The frame profile has different installation widths and is divided into classes based on this characteristic. 

Casement (sash profile)

The opening element of a plastic window, which consists of a complex plastic window profile. The configuration of the window depends on the type of opening of the sashes.  

Impost or mullion (slat between the sashes)

A plastic construction along the height of the window that is used to connect two or more sashes of the same window. Also the mullion can be used for joining multiple panes of glass in one sash or frame.

Functional classic

Classic window systems are designs which operate in several modes: partial ventilation mode, full ventilation mode, and closed window. Thus, the window performs several important tasks: 

  • Filling the room with fresh air when the sash is fully opened and opened in ventilation mode, 
  • Filling with natural light, 
  • Quality heat exchange,
  • High quality sound insulation.

A window construction is not just an abstract rectangle with glass inserts. A window makes any room warm, beautiful and quiet. In other words, it is a complete product that is installed in the window opening and performs its basic and additional functions to a high standard. The main functions are aimed at protecting and creating a comfortable atmosphere, and the additional functions, but no less important, are aimed at ensuring the aesthetic appearance of the interior and exterior and its completeness.

Classic window style

The design of the window is created by: 

  • The window profile (colour, shape, texture); 
  • Handles and hinges to match the style and colour of the profile; 
  • Large sized insulating glass units with a minimum of transitions. 

Interior window design options in classic style is characterised by large windows with regular, symmetrical or arched shapes. White or natural wood lamination in light brown tones is ideal for this style. Classic handles in matt brass or pale bronze will enhance the beauty of the windows. A classic set is rounded off with hinges in the same colour as the handles. So, enjoy the beauty of your new double glazed windows and cosines which they bring.

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