Bertrand Windows and Doors

MB 79N SI – a modern window and door system already in Bertrand.

MB 79N SI is a window and door system made of durable aluminum.

It was introduced to meet the increased thermal insulation requirements. It is used to make structures including: fixed windows, casement windows, tilt windows, tilt-and-turn windows, tilt-and-slide windows, as well as single- and double-leaf external doors and showcase solutions with doors. MB-79N SI is the variant with the best thermal insulation, with profiles equipped with insulating inserts and a two-component central gasket.

More information about the MB 79 system is available at: THIS ADDRESS

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