Wide range of opening modes: tilt-turn windows with optic parameters of slide windows, slide doors.
KOEMMERLING as the first producer in this industry replaced lead stabilizer with environment-friendly zinc-calcium compounds. Consequently realized approach basing on long-standing preservation of natural resources makes that KOEMMERLING 88plus is a safe investment in the future.
K-vision system is offered in a wide range of colours: from the classical white up to Aluminium covers in almost any colour.
Thermal insulation coefficient – U values
Uf = 1.4 W/m2K
Uw up to 1.0 W/m2K (according to the specific configuration, dimensions and glazing)
Tested performances :
Resistance to wind load (EN 12210): Class C5/B5
Water tightness against heavy rain (EN 12208): E1050
Air permeability (EN 12207): Class 4
Operating forces (EN 13115): Class 1
Durability (EN 12400): Class 2
Mechanical strength: Class 4