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Unique house with wooden window joinery
8 July 2025
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Join Bertrand – your European partner for custom windows and doors
27 June 2025
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Quality control of window joinery – how does it work?
9 June 2025
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Modern Pivot Doors – where design meets technology
30 May 2025
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PVC or aluminum? What to choose – and why it matters
20 May 2025
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Terrace systems – what are the dfferences between HST, PSK, and Slide?
29 April 2025
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Ideal 4000 – modern PVC windows combining design and functionality
23 April 2025
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Bertrand wishes you a Happy Easter!
17 April 2025
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Spring maintenance of window joinery – what’s worth doing?
2 April 2025
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Kombisystem windows – a conscious and durable choice
14 March 2025
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Aluminum facades – modernity, durability, and aesthetics
28 February 2025
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Double and triple-glazed windows – which one should you choose?
17 February 2025
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Bertrand windows praised by the German Police Union!
7 February 2025
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Window replacement in your home: a challenge that pays off?
5 February 2025
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Oak windows and doors – An exceptional material in carpentry
29 January 2025
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Unique wood-aluminum systems by Bertrand
15 January 2025
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2024 in Bertrand: Success at IBS, exceptional projects, and dynamic growth
30 December 2024
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Project of the Month - renovation in Connecticut
17 December 2024
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Wooden doors – Tradition and quality since 1969
10 December 2024
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Panoramic terrace doors for Your home
26 November 2024
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Systems in practice – Bertrand projects
21 November 2024
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The history of windows: from stone openings to smart thermal coatings
12 November 2024
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Wooden windows more durable than ever – cool pigments
6 November 2024
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People of Bertrand – The Viking with a Golden Heart
22 October 2024
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How to prepare windows for winter?
18 October 2024
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People of Bertrand – Passion for Photography
14 October 2024
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What are "french doors"?
26 September 2024
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Why consider European windows for U.S. and Canadian builds?
11 September 2024
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BB Line 70 & BB Line 84 – Quality at a good price
30 August 2024
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Window muntins – what are the options and which one to choose?
21 August 2024
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The beauty and durability of wood-aluminum windows
9 August 2024
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People of Bertrand - I'm kind of a Joker
1 August 2024
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Why do windows steam up?
23 July 2024
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Did you know that...?
18 July 2024
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How to choose the right patio doors?
8 July 2024
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Cortizo aluminum systems now available at Bertrand!
1 July 2024
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Does glass in windows matter? – Our guide through types of glass
25 June 2024
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How to maintain wooden windows?
17 June 2024
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A quick guide on importing European windows to the USA
6 June 2024
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The best ways to keep your windows clean
3 June 2024
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Acrylcolor®: A revolution in PVC window color
28 May 2024
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Why should you choose fix windows for your home?
21 May 2024
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Passive windows: a reliable investment for years
10 May 2024
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Everything You need to know about window technical parameters
6 May 2024
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Unconventional and unusual projects
29 April 2024
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How to choose the right windows for Your home
19 April 2024
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Bertrand products at IBS 2024
4 April 2024
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People of Bertrand - Rafał
3 April 2024
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Diary of Vegas. Chapter IV
25 March 2024
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Diary of Las Vegas. Chapter III
19 March 2024
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Diary of Las Vegas - Chapter II
13 March 2024
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Diary of Las Vegas - Chapter I
11 March 2024
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New products in Bertrand company offer
21 February 2024
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Bertrand company on IBS 2024!
16 February 2024
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Many passions in one person. Meet Tatiana
5 February 2024
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Bertrand on a visit to GEALAN
25 January 2024
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Stability with static dry glazing
17 January 2024
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Unique style in PVC finish. Introducing Linear
5 January 2024
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Merry Christmass, everyone!
22 December 2023
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Who we are? A few words about Bertrand
14 December 2023
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