At ALTECH Fourlakidis, we are well aware that external doors and windows play an important role in shaping the overall quality and value of a property. This is why we pay special attention to the thermal and sound insulation technology necessary to create a safe and functional interior space without energy loss.

Our innovative products stand out for their high performance in:

  • Thermal insulation

  • Waterproofing

  • Soundproofing

  • Safety

At ALTECH Fourlakidis, we have the means to shield your space and to protect it not only from the potential threat of unwanted intrusion, but also from the most significant current threat, energy loss.


Our half-century experience in completed projects and the high-level technical know-how, which have established us in the field of aluminium construction, have set new standards in the production of doors and windows.

We have completed hundreds of projects in Xanthi, where our factory is located, and throughout the country, with our network of partners. At the same time, we have implemented notable projects in Germany and other European countries where we operate.


Our highly trained staff and our continuous investments in top-notch machinery contribute to producing a wide variety of high-quality and modern aluminium doors and windows while reducing their manufacturing time.

Our state-of-the-art facilities follow the most strict construction standards, combined with advanced technology materials to ensure your home’s ultimate comfort, safety, soundproofing, and thermal insulation.

Quality with a stamp!

Our entire range of products carries a unique QR code to identify the series you have purchased. By scanning your mobile phone on the product ID, all the information relating to the collection and the CE certificate are retrieved on your screen.

Standards and Production Process

From the raw material to the final product, production is designed in such a way as to ensure consistency and guaranteed quality in the entire range of our products.

Continuous monitoring at every stage of our product production and the careful selection of our raw material suppliers leads our output to the flawless final installation stage without manufacturing errors or defects.

We strictly adhere to European and international quality and safety standards during the production process. One of the main factors influencing industry professionals’ preference for our products is our adherence to the directives mandated by European and international law.



Are you interested in aluminium doors and windows?

Contact or visit us to discuss your needs so we can recommend the optimum solution for aluminium and PVC doors and windows.