Delta Kömmerling 88 7K windows are greenline windows – lead-free and unique:

system 7

- chamber

- lead-free

– greenline,

– frame width – 88 mm,- sash width – 88 mm,- MD system – with an additional central seal in the frame, dividing the space between the frame and the sash into two thermal insulation chambers, which provides additional increase in thermal insulation,

– additional seal in the sash dividing the space between the glazing unit and the sash profile into two chambers, which provides additional thermal insulation,

– heat transfer coefficient for a profile with steel reinforcement Uw=0.72 W/m²K

– light grey seals in white windows, black in windows with wood-like veneers,

– seals pressed into the profile at the factory by the profile manufacturer,

– profile manufactured in Germany at the factory in Pirmasens,