Bertrand Windows and Doors

Passive construction windows

INCREASED ANTI-BURGLARY PROTECTION

Kombisystem plus is a new system with a middle seal. It is equipped with an anti-burglary fin placed on the window rebate, which mechanically protects window elements against external factors. Systems with a central seal are distinguished by excellent thermal insulation parameters.

NEW PERSPECTIVES

The modern and technologically advanced KUBUS system presents a new look at window joinery. It fits perfectly into current architectural trends focusing on minimalist design, simple shapes and large glazing.

MODERN ALUMINUM SYSTEM FOR ENERGY-SAVING CONSTRUCTION

The MB-104 Passive window system with a thermal break, with the highest thermal insulation, meets all requirements for elements used in passive construction.

Knowledge zone

Get to know us behind the scenes of our activities and stay up to date with the innovations we are preparing for you!

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Why do the windows fog up?

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

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Do you know that…?

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 common

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How to choose the right patio doors?

Summer is in full swing and that means more time spent outdoors, relaxing on the terrace or balcony. To these