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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.
A system of large-sized sliding doors with narrow profiles completely hidden in the floor, walls and ceiling. PanoramaSky allows you to construct doors with a maximum...
We have prepared a new Bertrand Product Catalog for you. Get to know new trends in joinery, interesting solutions and technical innovations that improve…
MB 79N SI is a window and door system made of durable aluminum. It was introduced to meet the increased thermal insulation requirements. It serves…
Thanks to Infratherm, your windows will guarantee a comfortable temperature in all rooms. Is it possible for windows to provide us with warmth at home?…
Tomasz Kuszczak joined the BERTRAND windows and doors team. What is important to us, Tomasz uses our products himself in…
On the occasion of Christmas and the upcoming New Year, we would like to thank you for your cooperation so far and wish our clients…
To the offers External doors from the LIGNUM series are a unique combination of aluminum and natural oak surface. A multitude of finishing options and available accessories…
The combination of wood and aluminum gives an exceptionally stylish external door. You can read more about our doors HERE
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We created unusual PVC (plastic) windows for one of our clients. Why unusual? Because visually they look like wooden windows. Not always…
Kombisystem plus is a new system with a central seal. It is equipped with an anti-burglary fin placed on the window rebate, which provides mechanical protection…