Air permeability rated DIN EN 12207 class 4
Watertightness rated DIN EN 12208 class 9A-E900
As standard, the glass distance piece is matching with the frame colour and made of aluminium or high-grade steel (optimized thermal insulation)
2 seals as standard; third seal for increased sound insulation possible
Slimline frame structures
Hermetic seal against excessive water infiltration into the water-collecting-chamber
Improved profile stability through a 72 mm building depth and generously dimensioned reinforcements in the transom
Glazing beads matching with the frame colour and sealing materials in a neutral colour
Standard thermal insulation glass Ug = 1.1 W/m²K
High protection against driving rains through a large water-collecting-chamber and a high central sealing with storm edge
5-chamber version
Frame's insulation value Uf = 1.3 W/m²K
Semi-flush sash with triple glass
30 mm Ug = 0.9 W/m²K
40 mm Ug = 0.5 W/m²K