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.
Replacing windows in a home is a big challenge. However, it is worth realizing that it is a key step in…
Choosing the right material for window and door production is a key step in creating systems that combine aesthetics, durability and functionality…
At Bertrand we are proud to present another extraordinary project that proves that aesthetics, functionality and innovative solutions can…
Design and implementation: SEO PARTNER
