To all clients, colleagues and friends
We wish you a Christmas full of love and peace.
May the New Year bring you this bit of happiness,
which will ensure that all undertaken actions will be successful.
Management and employees of Bertrand windows and doors
Fogging of windows is a common phenomenon that we often observe, especially during transitional periods, such as autumn and winter. The main cause of evaporation…
Did you know that millions of birds die every year as a result of collisions with building windows? This problem is becoming more and more…
Summer is in full swing and that means more time spent outdoors, relaxing on the terrace or balcony. So that these…
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