EN
As2047 Australian Certified Tempered Glass Folding Door External courtyard door, external soundproof balcony aluminum alloy folding door
| Place of Origin: | China |
| Brand Name: | ZCSUNG DOOR&WINDOW SYSTEM |
| Model Number: | 80 SERIES |
ZCSUNG 80 Series Thermal Break Bi-Fold Door Description
Breaking the spatial limitations of conventional sliding doors, the ZCSUNG 80 Series Thermal Break Bi-Fold Door redefines flexible boundary transition for modern residential and commercial architecture. Developed based on 80mm integrated thermal break aluminum profiles, this accordion-style folding system abandons rigid unilateral movement. It delivers bidirectional inward/outward folding opening, perfectly balancing compact profile thickness, panoramic transparency and all-weather weather resistance. Unlike oversized heavy-duty door systems, its slim 80mm frame fits standard balcony, patio and storefront openings without customized structural renovation, covering villa terraces, restaurant outdoor partitions and office lobby scenarios.
Zero-Barrier Panoramic Spatial Expansion
The core competitive edge of the 80 Series bi-fold door lies in full-aperture opening capability. All door panels stack neatly to one side after folding, releasing 90% of the total opening width with no central mullion obstruction. Most folding doors leave fixed middle stiles blocking sightlines, while ZCSUNG optimized the inter-panel connecting hinge structure to eliminate redundant vertical profiles. It seamlessly merges indoor dining or leisure areas with outdoor gardens, sidewalks and terraces. Even under standard household opening widths of 3-5 meters, it maintains a borderless viewing experience without visual segmentation.
Hidden Hinge Balance Structure & Silent Long-Term Durability
Different from lower rail load-bearing sliding doors, the 80 series adopts dual upper and lower linkage hidden roller hinges. All hardware components are concealed inside profile cavities, avoiding exposed hardware corrosion and damage. It solves three common pain points of traditional folding doors: panel sagging after long-term use, offset collision during folding and abnormal friction noise. Each single door panel bears a static load of up to 160kg, and the anti-offset limit pulley keeps panels aligned during frequent folding. Users can complete one-handed sequential folding smoothly with zero jitter even after tens of thousands of opening cycles.
Multi-Layer Circumferential Sealing & Anti-Prying Security Design
Given the natural gap risk of multi-panel folding structures, ZCSUNG adopted segmented inter-panel EPDM composite sealing strips and perimeter pressure-edge sealing technology. Complementary concave-convex splicing between adjacent panels blocks cross-panel air and water penetration. Matching concealed side multi-point lock sets linkage locking for all stacked panels, rather than single-panel independent locking. The integrated lock tongue prevents forced prying from door gaps. The whole system achieves Grade 8 air tightness and Grade 7 water tightness, resisting strong crosswind and driving rain without inward seepage.
High-Performance Insulated Glass & Visual Consistency Optimization
Matched with the same premium glazing configuration, the door adopts factory-standard 6+20Ar+6 homogenized insulated tempered glass filled with high-purity argon. Sourced from VP-grade Xinyi original glass sheets, it delivers ultra-low optical distortion for panoramic viewing. Curved integrated black aluminum spacers replace segmented spacers to unify the linear aesthetics of narrow door panels. The 20mm argon cavity improves mid-frequency noise reduction by 38% compared with ordinary insulated glass, cutting traffic and wind noise effectively. Homogenization treatment eliminates spontaneous glass breakage risks, meeting North American and Australian building safety standards.
Negative Pressure Concealed Drainage for Folding Panel Gaps
Targeting the vulnerable drainage blind spots between folded panels, we upgraded a negative pressure passive drainage system exclusive for bi-fold structures. Independent segmented drainage cavities are set under each door panel instead of unified rail drainage. Rainwater entering tiny splicing gaps is discharged via internal pressure difference without flowing across adjacent panels. The low-profile 22mm flat threshold maintains barrier-free pedestrian access, suitable for wheelchair passage and indoor-outdoor floor integration, with no water backflow during continuous heavy rain and typhoon weather.
Conclusion
The ZCSUNG 80 Series Thermal Break Bi-Fold Door represents lightweight high-end door system innovation, not a scaled-down version of heavy-duty sliding doors. It prioritizes flexible space flexibility, invisible structural stability and barrier-free aesthetics. With hidden durable hardware, segmented gap sealing, panoramic low-distortion glazing and gap-targeted drainage, it caters to minimalist modern architecture, coastal rainy areas and commercial open-space renovation. It is the ideal solution for users pursuing invisible spatial integration, silent operation and all-weather weatherproof performance.
| Wind pressure resistance | 7级P3=5.0KPa GB/T7106-2019 |
| water-tightness, water proofness, water tightness | 4级△P≥500Pa GB/T 7106-2019 |
| gas tightness, airtightness | 7级q1≤1.0m/m·h GB/T7106-2019 |
| Sound insulation | 35-40 db GB/T 8485-2008 |
| Corrosion resistance>240 hours of salt spray test | |
Specifications
| Frame Thickness/Profile Wall Thickness: | 80 (track 2) / 2.5-3.0 (mm), 6060-T66 ultra-precision grade |
| Connection process: | The frame is designed with screw connection / the fan is designed with one-piece angle code injection process |
| Hardware standard | CMECH hardware system/lift hardware can be optionally equipped with German Haotao |
| Baffle limit dimensions： | 800mm≤wide≤2500mm，1900mm≤high ≤2700mm |
| Hardware load-bearing | ≤200kg |
- Overview
- Recommended Products
