Kömmerling 70 ADThe 70 mm, five-chamber system with a double seal, for everyday domestic windows.Construction depth70 mmChambers5Uf valueup to 1.2 W/(m²K)Glazing thickness10–44 mmView detailsPVC windows
Systems with a double seal or a centre seal, from the 70 mm profile through to the 88 mm, seven-chamber system suitable for passive houses.
In a PVC window, three things decide the performance: the construction depth, the number of chambers and the way it seals. The systems below cover the whole range, from an ordinary window to the envelope of a passive house.
Systems
PVC windows
Kömmerling 70 ADThe 70 mm, five-chamber system with a double seal, for everyday domestic windows.Construction depth70 mmChambers5Uf valueup to 1.2 W/(m²K)Glazing thickness10–44 mmView details
Kömmerling 76The 76 mm platform, with either a double seal or a centre seal, with or without aluminium cladding.Construction depth76 mm · 81.5 mm with claddingUf valuefrom 1.0 W/(m²K)Acoustic insulationup to 47 dBBurglar resistanceup to class RC 2View details
Kömmerling 88The seven-chamber, 88 mm deep system, declared by the manufacturer as suitable for passive houses.Construction depth88 mm · 93.5 mm with claddingChambers7Uf value0,93–0,98 W/(m²K)Glazing thicknessup to 60 mmView detailsRelevant here too
Systems from other categories, also used in this area
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