Insulating double and triple glazing - modern solutions for economical and comfortable living

Glass is one of the most important components of every window - it affects not only the appearance of the building, but above all thermal insulation, light transmission and the energy balance of the whole house. In today'sAt a time when the emphasis is on energy saving and sustainability, double and triple glazing play a key role. They are standard in modern plastic, aluminium and timber windows and contribute significantly to interior comfort and lower heating bills.

Double glazing - the classic and reliable standard

Double glazing is the most widely used type of glazing and has been in use for many years. The typical 4 - 16 - 4 design means two panes of 4 mm thick glass separated by a 16 mm wide spacer. The gap between the panes is usually filled with argon, which has a lower thermal conductivity than air, thus reducing heat loss.
Thanks to this construction, the double glazing achieves a value of Ug = 1.1 W/m²K, which is a very good insulation parameter suitable for normal family houses and renovations.

Double glazing provides an optimum balance of price, weight and insulation properties. They are the ideal choice for buildings where extreme emphasis is not placed on passive standards, but where quality insulation and energy savings are still desirable. In addition to thermal insulation, double glazing can be supplemented with special layers - for example, a low-E layer that reflects heat back into the interior, or self-cleaning and solar control layers that improve comfort and reduce overheating in rooms.

In terms of comfort, double glazing also offers good sound insulation and sufficient daylight transmission, making it an increasingly popular and economical choice for most buildings.

Triple glazing - maximum efficiency for modern homes

If the aim is to achieve the highest energy efficiency and thermal comfort, triple glazing is the ideal solution. The standard 4-14-14-4 design consists of three panes of glass (each 4 mm thick) and two 14 mm wide gaps, which are again filled with an inert gas - usually argon or, in premium variants, krypton.
Such triple glazing achieves an excellent Ug = 0.6 W/m²K, which is almost twice as good thermal insulation as conventional double glazing.

As a result, triple glazing has become the standard for new-build, low-energy and passive houses. They minimise heat loss and maintain a comfortable temperature inside in winter, while preventing overheating in summer. In addition, they provide significantly better acoustic insulation, which will be especially appreciated by households in busy urban areas or near major roads.

Triple glazing can be combined with various special features - for example, solar control coatings that limit the penetration of solar energy, or self-cleaning coatings that use UV light and rainwater to break down dirt. These innovations extend the life of the windows and increase the comfort of use.

Comparing and choosing the right glazing

The choice between double glazing and triple glazing depends on the type of building, the desired level of savings and investment possibilities.

  • Double glazing (4-16-4, Ug = 1.1 W/m²K) is suitable for renovations of older houses, apartments or less exposed spaces where lower cost and weight are a priority.
  • Triple glazing (4-14-4-14-4, Ug = 0.6 W/m²K) is suitable for new builds, passive and low energy houses where the aim is to maximise heat saving and long-term comfort.

The difference in investment is often returned in the form of lower heating costs and a more pleasant indoor climate. In addition, triple glazing reduces the risk of dew on windows and increases their overall lifetime.

Whether the investor chooses double or triple glazing, both types represent a modern, reliable and energy-efficient solution.
While double glazing is a proven classic with excellent performance/price ratio, triple glazing offers superior insulation properties to meet the demands of today's building industry. They can create a home that is warm in winter, cool in summer and energy efficient all year round.