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

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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

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Cortizo aluminum systems now available at Bertrand!

We are happy to announce that the latest aluminum systems from Cortizo have been added to our offer. These innovative sliding windows and doors

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Does glass in windows matter? – Our guide to glass types

Choosing the right type of glass for windows is a key element affecting the comfort, safety and energy efficiency of the building. Additionally, the right selection