Window with enhanced thermal insulation W77 W
| Maximum infill units' weight | 150 kg |
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| Maximum sash height | 2500 mm |
| Максимальная ширина створк | 1600 mm |
| Infill units thickness | up to 68 mm |
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| Thermal insulation | frame Uf = 1.17 W/(m² · K); frame-sash Uf = 1.24 W/(m² · K) |
| Water permeability | 1300 Pa |
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| Air permeability | Class A |
| Sound insulation | up to 47 dB |
| Wind load resistance | Class A |
| Burglar resistance | possibility of production in a burglar-resistant version |
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