The KÖMMERLING – System 76 double seal system offers all the benefits modern windows can give you. This double seal system with five chambers and 76 mm / 3 Inch construction depth offers a fascinating combination of modern design and perfect profile proportions. Whether function, structural properties, insulation values, environmental protection, or preservation of value, it fulfills the requirements of both today, and above all tomorrow.


Thermal insulationYes
Exterior shapesFlat
Panel type uPVC (Vinyl)

Technical Characteristics*

Min. Visible width frame-vent76mm / 3 Inch
Glazing typeDouble – Triple


Thermal insulation1.1 W/(m²K) alone for the standard version
Acoustic performanceup to 43dB
Airtightness max. test pressure4 (600 Pa)


Types of typologyWindows, Doors
Burglar resistanceRC2/WK2 – RC3/WK3


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*This page may contain copyrighted material, the use of which may not have been specifically authorized by the copyright owner. This disclaimer informs readers that all measurements represent information from manufacturers and can be different in each individual architectural solution.