80 Aluminum Folding Door
Heavy-duty concertina bifold system engineered for expansive patio openings. Features bottom-weighted stainless steel rollers and EPDM sealing for airtight European weatherproofing.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. manufactures heavy-duty architectural aluminum doors developed specifically for high-end European residences, commercial developments, and hospitality projects.
From seamless lift-slide systems for panoramic seaside villas to ultra-insulated bifold doors for cold-climate Nordic standards, our door systems incorporate multi-chamber polyamide thermal break profiles, precision European hardware compatibility, and CE conformity compliant with EN 14351-1 requirements.
Explore our factory-engineered door series, featuring premium polyamide insulation, concealed running gear, and bespoke architectural finishes.
Heavy-duty concertina bifold system engineered for expansive patio openings. Features bottom-weighted stainless steel rollers and EPDM sealing for airtight European weatherproofing.
Intelligent panoramic motorized sliding door with whisper-quiet drive systems, smart sensor integration, and flush threshold profiles designed for modern European architectural villas.
Robust thermal break lift-and-slide system built to withstand high wind loads in coastal Mediterranean and Atlantic climates. Delivers effortless glide even on large-scale glass spans.
Contemporary grand entrance door fitted with commercial-grade hydraulic floor springs, adjustable pivot hinges, and high-impact safety laminated glazing for luxury front entrances.
Minimalist structural glass sliding door offering 98% daylight transmission. Concealed outer frames can be completely embedded into wall and ceiling structures for seamless boundaries.
High-end interior and terrace partition system featuring entirely concealed tracks and soft-close mechanisms. Creates an illusion of free-floating glass with noiseless linear motion.
Bespoke oversized entrance door combining thermally insulated aluminum cores with sintered stone, wood-veneer, or architectural composite finishes for prestige commercial and villa façades.
Classic European inward and outward opening French terrace door. High acoustic dampening and triple gasket weather seals provide supreme protection against driving rain and harsh winds.
Engineered with multi-chamber thermal breaks and continuous threshold water barriers, the #78 series delivers thermal insulation and smooth folding ergonomics for all seasons.
Every door produced by Guangdong Dejiyoupin Doors and Windows Co., Ltd. undergoes factory calibration and independent laboratory testing to verify adherence to European norms.
| Performance Characteristic | Testing Standard | DERCHI Achieved Value | European Project Advantage |
|---|---|---|---|
| Thermal Transmittance (Ud) | EN ISO 10077-1 / 10077-2 | 1.1 – 1.6 W/(m²·K) | Meets German GEG, French RE2020 & UK Part L energy codes |
| Air Permeability | EN 12207 | Class 4 (600 Pa) | Eliminates draughts and minimizes heating/cooling loss |
| Watertightness | EN 12208 | Class 9A / E1050 (up to 1050 Pa) | Superior protection in exposed coastal and mountain locations |
| Wind Load Resistance | EN 12210 | Class C5 (up to 2000 Pa deflection) | Engineered for high-rise facades and severe weather zones |
| Acoustic Insulation (Rw) | EN ISO 717-1 | 35 dB – 44 dB | High noise attenuation for urban and airport buffer developments |
| Burglar Resistance | EN 1627 – EN 1630 | RC2 / RC3 Configuration | Multi-point hardware and laminated P4A/P5A security glazing |