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50 years
of tradition

Bertrand have been building
up their brand since 1969.
In that time we have quenched the dreams of our numerous customers in Poland, Europe and worldwide. Bertrand is a renowned manufacturer of windows, doors and curtain walls.

We are very proud to have earned the respect of investors in a variety of sectors: residential, commercial, historical restoration, and even the most demanding field of passive and energy efficient architecture

Ideas & Inspirations

Our products are characterized by the highest quality, confirmed by certificates.
The company uses modern technologies for the production of woodwork and uses a wide range of materials: various types of wood, uPVC and aluminum profile systems, as well as wood-aluminum and uPVC-aluminum materials.

Bertrand Catalogues

We invite you to browse and download our catalogues. It allows you to familiarize yourself with our offer. You can check the offers of our current products, compare the colors of veneers and match the perfect materials.


Here you will find a short coverage of the NAHB International Builders' Show 2023 Las Vegas.