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Common mistakes when selecting doors and windows (And how to avoid them)

Choosing doors and windows for your home or business may seem simple, but there are details that are often overlooked and can become costly in the future. From material selection to installation, common mistakes can affect security, comfort, and even the style of your space.


To help you avoid these pitfalls, here are the most frequent mistakes and how to prevent them.



  1. Selecting materials without considering climate and maintenance

The material of your doors and windows is not just about aesthetics. It impacts durability, maintenance, and thermal efficiency.


✅ What You Should Do:

  • Aluminum: Lightweight, durable, and moisture-resistant. Requires minimal maintenance.

  • PVC: Provides good insulation but can warp over time in hot climates.

  • Wood: Beautiful, but requires constant care to prevent moisture and pests.

  • Wrought Iron: Very secure but heavy and prone to corrosion.


📌 Our Recommendation: If you’re looking for a balance between design, durability, and low maintenance, aluminum is your best option. That’s why our systems are made with this material.


Damaged window.



  1. Ignoring thermal and acoustic insulation

If you live in a noisy area or experience extreme temperature changes, this is a key factor. Otherwise, you could end up spending more on air conditioning or dealing with constant noise disturbances.


✅ What You Should Do:

  • Opt for double-glazed windows for better thermal insulation.

  • If you live in a noisy area, choose laminated glass for soundproofing.

  • Ensure that the systems you choose have airtight properties to prevent drafts and leaks.


📌 Our Recommendation: Consult with our experts to choose the best combination of glass and systems according to your environment.


View of a plant behind a closed window on a sunny day.



  1. Overlooking the type of opening

Not all doors and windows work well in every space. Choosing the wrong opening type can reduce comfort and functionality.


✅ What You Should Do:

  • Sliding Doors & Windows: Ideal for maximizing space in smaller areas.

  • Casement (Swing) Openings: The most commonly used worldwide, offering a classic style.

  • Tilt and Turn Systems: Allow ventilation without compromising security.


📌 Our Recommendation: Before deciding, think about your space layout and how the doors or windows will be used.


Several windows with different opening types in a showroom.



  1. Depending on an improvised installation

You can buy the best doors and windows on the market, but if the installation is poor, you may experience leaks, noise issues, or even security risks.


✅ What You Should Do:

  • Make sure the installer has experience with the specific system you’ve chosen.

  • Verify that the frames are level and properly sealed.

  • Use high-quality hardware to avoid future problems.


📌 Our Recommendation: At UNI-K, our systems are installed by expert technicians trained directly by us to ensure quality and precision.


Expert installing a window.



  1. Buying solely based on price without considering quality

Going for the cheapest option can be expensive in the long run when you have to deal with repairs or replacements sooner than expected.


✅ What You Should Do:

  • Compare materials and manufacturers before making a decision.

  • Ask about warranties and certifications.

  • Consider the long-term cost, not just the initial price.


📌 Our Recommendation: Investing in quality from the start not only prevents unnecessary expenses but also ensures durability, security, and peace of mind for years to come.


Money flying out of a window.




Final Recommendation


Choosing doors and windows is more than just a design decision; it directly impacts the security, comfort, and efficiency of your space. An inadequate material, poor installation, or insufficient insulation can lead to costly problems in the long run, affecting both your well-being and property value.


View of the patio of a project with a pergola and a sliding window.

At UNI-K, we understand the importance of every detail. That’s why we offer aluminum solutions that combine durability, design, and functionality, ensuring the perfect balance between aesthetics and performance.


If you’re looking for doors and windows that fit your needs and offer peace of mind, contact us and discover how we can help transform your spaces with quality and style.


Contact us here 👉 https://wa.me/13054099971

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