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About the products
Martin Smoleňák
CEO, KUNAJ

Do I need to replace older plastic windows?

Vinyl windows were once a popular choice because of their affordability and good insulation, but over time it has become clear that there are drawbacks to using them for long periods of time. It is therefore worth considering switching to more durable solutions such as aluminium windows.

About the products

Plastic windows were once a huge hit. After all, who wouldn't want windows that are affordable, insulate well and don't need much maintenance? But times are changing, and what once seemed like a great option may not be such a bargain today. Vinyl windows are one example where long-term use can become a problem rather than a solution. Perhaps it's time to think about whether it might be better to replace them with something more durable, such as aluminium windows.

Plastic window

Why?

1. Plastic wears out over time

You might not notice it at first, but vinyl windows start to wear out after years of use. The seals can lose their elasticity, the windows can start to leak air and worse, they can start to mould. What does this mean for you? Higher heating costs in the winter because heat escapes outside, and higher air conditioning costs in the summer because heat seeps in. What initially seemed like a worthwhile investment may turn out to be an expensive affair in the end.

2. Disadvantages of plastic compared to woodaluminium

Although vinyl windows can serve their purpose, their lifespan is limited. Plastic ages over time - it starts to become brittle, fade or crack, and aesthetically they look worse. On the other hand, wood-aluminum windows are not only more durable, but also more aesthetically appealing. The wood on the interior gives the windows a natural and warm look, while the aluminum on the exterior protects the window from the elements.

Why is wood-aluminium better?

  • Longer life: aluminium windows are an investment for decades. While a vinyl window has a lifespan of around 15-20 years, a wood-aluminium window will last you considerably longer without any major problems.
  • Better durability: the aluminium layer on the outside protects the window from temperature changes, rain and wind, while the wooden part gives the interior a warm, natural look.
  • Better insulation: wood is naturally a better insulator than plastic, which means that you have more heat and less noise from the street in your home with wood-aluminium windows.
Wood-aluminium window

3. The ecological view

Although plastic windows are recyclable, plastic itself is not the most environmentally friendly material. If you care about the environment even a little bit, wood-aluminium windows are clearly a better choice. Wood is a renewable resource and aluminium is highly recyclable, meaning their ecological footprint is much smaller.

4. An investment that pays off

Yes, vinyl windows are cheaper, but if you compare what you're getting for that price, the difference is clear. Aluminium windows may be more expensive, but the investment will pay you back in the long run. Not only do they last you much longer, but they also save you on energy costs because their insulation properties are better. Plus, they will increase the value of your property, which can be a big advantage in the event of a sale.

5. Aesthetics and comfort

Plastic windows tend to lose their aesthetics over time - they can turn yellow, warp or crack. Aluminum windows, however, retain their appearance much longer. Wood in the interior gives a pleasant, natural look that is incomparable to plastic. Plus, if you love natural materials, wood will create a warmer and cozier home.

Wood-aluminium window

TIP: When replacing windows, it is advisable to consider wood-aluminum windowswhich, although they cost more, offer advantages:

  • Better insulation
  • Aesthetic appearance
  • Higher durability
  • Investing in quality windows brings comfort, energy savings and higher property values.
  • Wood provides a natural feel and quality that plastic windows cannot replace.

Author of the paper
Martin Smoleňák
CEO, KUNAJ

Managing director and chief economic officer of the company who takes care of the company's finances and business. "Business is not won by price but by trust."

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