Aluminum window profile LAMBDA 77 L/XL

aluminum window profile
aluminum window profile
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Technical characteristics
thermally-insulated, acoustic, burglar-proof, wind-proof, waterproof, waterproof


thermally insulated, 77 mm profile depth Construction High performance thermally insulated aluminium window Three-chamber profiles, factory installed thermally insulated zone with ABP (general building supervisory authority test certificate) Sash weight max. 160 kg visible, max. 170 kg concealed Glass thickness between 22 mm and 67 mm Elevation width Narrow elevation width of fixed/sash frame combination from 90.5 mm Profile depth Fixed frame: 77 mm Sash frame: 88 mm Insulation zone Factory installed, glass fibre-reinforced polyamide strips from 35 mm to max. 42 mm Optional insulation inserts Variable additional measures for different thermal insulation demands Gaskets Centre seal gasket: standard hollow chamber gasket or optional high performance centre seal gasket for special U value requirements, both with vulcanised corners or as a vulcanised frame Glazing/rebate gaskets: narrow elevations on inside and outside, gaskets can be drawn in continuously Additional insulation wedge at the glazing bead available if required All gaskets coated with sliding polymer, suitable for self-cleaning glazing Test results Thermal insulation (EN 10 077 - 2): Uf = 1.0 – 2.2 W/(m²×K) Water tightness (EN 12 208): up to E 900 Air permeability (EN 12 207): 4 Resistance to wind load (EN 12 210): up to C5 Burglar resistance (EN 1627 ff): up to RC 3 Sound insulation (EN ISO 717 - 1): up to Rw = 46 dB


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.