Revolutionary Windows
Master Quality
We specialize in window production, combining professionalism and modern technologies. We deliver the highest quality products. We focus on innovative solutions and precision of workmanship, guaranteeing our customers not only aesthetics, but also durability and functionality for years.
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![](https://bertrand.pl/wp-content/uploads/2024/02/smolna-1-1360x907.jpg)
Manufacturer of windows and doors
A company with traditions
The BERTRAND company has been building its reputation continuously since 1969.
Since then, we have fulfilled the dreams of many clients in Poland, European countries and even in the USA, Australia and New Zealand.
BERTRAND is a respected manufacturer of windows, doors and facades.
We enjoy wide recognition among investors in individual, investment and historic construction, as well as in the most restrictive energy-saving and passive construction.
Years of experience
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Completed projects
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Satisfied customers
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Bertrand is your unique choice!
Products
Find the perfect solution for you: windows, terrace systems, doors, blinds and roller blinds, facades.
Check out our product categories.
Our projects
See our projects, each of them is unique and implemented with passion and heart!
Newsletter
Subscribe to our Newsletter and stay up to date with information about our company.
Stay updated
Visit our blog, where you will find the latest information about our products and company events.
Get to know us behind the scenes of our activities and stay up to date with the innovations we are preparing for you!
Blog
Summer is in full swing and that means more time spent outdoors, relaxing on the terrace or balcony. To these
Blog
We are happy to announce that the latest aluminum systems from Cortizo have been added to our offer. These innovative sliding windows and doors
Blog
Choosing the right type of glass for windows is a key element affecting the comfort, safety and energy efficiency of the building. Additionally, the right selection
Blog
Wooden windows can delight many people, but despite this, most customers do not decide to buy them. NO
Blog
Real heroes don't wear capes. Although this is quite a cliché, it is so true in this case.
Blog
Clean windows are the calling card of every home. Unfortunately, achieving perfectly clean, streak-free windows can be a challenge. We have prepared several for you
Do you have any questions?
If you have any questions about our offer or are interested in cooperation, do not hesitate - fill out our contact form.
Bertrand
Window manufacturer
export.en@bertrand.pl
Write to us
+48 58 678 07 78
call us
street Wejherowska 12
84-242 Luzino, Poland