BERTRAND is an ambassador of passive construction.
For another year in a row, the BERTRAND company received the status of Passive Construction Ambassador from the Polish Institute of Passive Construction and Renewable Energy. Gunter Schlagowski in the production of construction joinery recommended for installation in passive buildings.
We are very pleased when our efforts are appreciated by the most important industry institutes and groups of experts.
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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