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The Bertrand expert blog was created so that we can share with you our knowledge and many years of experience in the window industry. Articles containing professional advice from our experts appear regularly here. To learn more about what you should pay attention to when choosing doors or how to properly install windows, just follow the blog.
Replacing windows in a home is a big challenge. However, it is worth realizing that it is a key step in…
Choosing the right material for window and door production is a key step in creating systems that combine aesthetics, durability and functionality…
At Bertrand we are proud to present another extraordinary project that proves that aesthetics, functionality and innovative solutions can…
For us, Bertrand, 2024 was a time of dynamic changes, intense challenges and spectacular achievements. It is an exceptional year in which…
The choice of doors is one of the key decisions when designing or renovating a home. We expect doors to provide not only aesthetics but also...
Bertrand – Our Projects in Real Conditions At Bertrand, we believe that the best way to showcase the quality and functionality of our products is by presenting them in real-life conditions.
A window – seemingly a simple structure, but one that has accompanied humanity for centuries, evolving alongside the development of civilization. Today, it is not only...
Wooden surfaces in dark colors can reach temperatures of up to 80°C under intense sunlight. High temperatures cause stresses…
Fall is in full swing and winter is fast approaching. As the seasons change, it is worth taking care of the proper preparation of windows,…
Is it possible to conquer the highest peak in the world... without leaving Poland? You can! However, you need to go to Warsaw and…