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Solarlux GmbH has been a specialist in flexible window and facade solutions for over 40 years. Their bi-folding door range covers a broad spectrum of materials, thermal performance levels, and panel configurations to meet diverse design requirements.
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| The SL 97 bi-folding door is available as a bottom-running or top-hung system. It is made using a wood-and-aluminium profile system suitable for passive house standards, with laminated wood, a rear-ventilated aluminium cover, and an additional layer of insulation. | |
| Material | Wood, aluminum |
| Thermal transmission coefficient | Uw ≥ 0.80 W/m²K |
| Water tightness | 7A |
| Wind resistance | C3 |
| Protected profiles | With wood/aluminium combination |
| Air permeability | 3 |
| Sight lines | Frame: 45 – 108 mm Panel: 85/103 mm Panel joint: 184 mm Frame building depth: 96 - 122 mm Panel building depth: 96 mm |
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| The Highline bi-folding door features patented bionicTURTLE® technology that enables slim sight lines despite large, heavy panels, optimal insulation, and water tightness. | |
| Material | Aluminium |
| Thermal transmission coefficient | Uw > 0.8 W/m²K |
| Water tightness | Up to 9A |
| Wind resistance | B4 |
| Burglar resistance | RC3 / RC2 |
| Air permeability | 3 |
| Sound reduction index | R'w up to 45 dB |
| Sight lines | Panel joint: 99 mm Panel building depth: 84 mm Maximum panel width: 1,100 mm Maximum panel height: 3,500 mm |
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| Modular aluminium profile system with high-performance thermal insulation. Features a single-piece, multi-functional, fibreglass-reinforced polyamide bionicTURTLE® break profile. | |
| Material | Aluminium |
| Design | Panels fold either inwards or outwards, to either left or right. Other options are available. |
| Thermal transmission coefficient | Uw > 1.1 W/m²K |
| Water tightness | Up to 8A |
| Wind resistance | B4 |
| Burglar resistance | RC3 / RC2 |
| Air permeability | 3 |
| Sound reduction index | Rw up to 45 dB |
| Sight lines | Panel joint: 99 mm Panel building depth: 67 mm Maximum panel width: 1,000 mm Maximum panel height: 3,000 mm |
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| The Combiline bi-folding door combines a wood interior with a square aluminium cover shell on the exterior, providing high weatherproofing while maintaining a warm, natural aesthetic inside. The sub-frame uses an aluminium structure faced with solid-wood sections. Two continuous gaskets guarantee optimum drainage and sealing performance. | |
| Material | Wood, aluminium |
| Thermal transmission coefficient | Uw > 1.1 W/m²K |
| Water tightness | Up to 7A |
| Wind resistance | C3 |
| Burglar resistance | RC2 / RC2N |
| Air permeability | 3 |
| Sound reduction index | R'w up to 42 dB |
| Sight lines | Panel building depth: 86 mm Panel joint: 147 mm |
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| The Woodline bi-folding door is a thermally insulated wooden window system. An aluminium sub-frame structure for stability supports its multi-laminated, high-quality wood profiles, while a special panel corner joint adds rigidity. | |
| Material | Wood (FSC / PEFC certified) |
| Design | Panels fold either inwards or outwards, to either left or right. Other options are available. |
| Thermal transmission coefficient | Uw ≥ 1.0 W/m²K |
| Water tightness | Up to 7A |
| Wind resistance | C3 |
| Burglar resistance | RC2 / RC2N |
| Air permeability | 3 |
| Sound reduction index | R'w up to 42 dB |
| Sight lines | Panel joint: 143 mm Panel building depth: 86 mm |
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| The Megaline bi-folding door is engineered for extra-tall and wide openings along with optimal thermal insulation. Specially shaped stainless steel running tracks accommodate unguided carriages, and multiple system hinges can be stacked vertically to support panels weighing up to 150 kg each. | |
| Material | Aluminium |
| Design | Panels fold either inwards or outwards, to either left or right. Other options are available. |
| Thermal transmission coefficient | Uw > 0.9 W/m²K |
| Water tightness | Up to 7A |
| Wind resistance | B4 |
| Air permeability | 3 |
| SIGHT LINES | Maximum panel height: 4,500 mm Maximum panel width: 1,500 mm Maximum panel weight: 150 kg |
Solarlux Color Options
Solarlux standard colour options include around 30 RAL colours, available in matt and gloss finishes, at no extra cost. This allows every bi-folding door to match the building’s interior and exterior design.
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Wood finishes
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