HUECK LAMBDA 77 L/XL

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
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- 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
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- 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