Architectural Servery & Facade Solutions
Gas-strut assisted pass-through windows and electric motorized fold-up systems engineered by Fortor Security Door Co., Ltd. Direct factory sourcing with verified structural, wind load, and thermal compliance.
20,000㎡ Direct Manufacturing Base
Precision Fabrication for Custom Folding Systems
Over 17 years of specialized engineering in thermal break aluminum extrusions and structural glass assemblies.
Flush counter pass-through windows for indoor-outdoor bar service and high-turnover hospitality spaces.
Seamless kitchen patio servery openings with zero floor tracks and full view unobstructed glazing.
Complete structural shop drawings, custom thermal break profiles, and NFRC / AS 2047 test data.
Pre-assembled, fully calibrated gas-strut hardware for rapid on-site installation and perfect jamb fitting.
Factory-direct wholesale pricing, containerized protective export packing, and 30+ country delivery logistics.
User Intent & Engineering Technical Insights
In modern architectural design, the boundary between indoor living and outdoor entertainment has blurred. Traditional horizontal sliding or bi-fold windows offer wide openings, but they consume valuable counter space or restrict physical passage on adjacent decks. Vertical Folding Up Windows (frequently searched by global procurement teams as gas-strut pass-through windows, vertical fold-up servery windows, or electric motorized vertical bi-fold windows) eliminate horizontal track obstructions completely by folding vertically upward toward the ceiling or header lintel.
Engineered and manufactured by Fortor Security Door Co., Ltd., these innovative systems utilize a upward-folding bi-parting sash configuration held in equilibrium by industrial-grade gas struts or smart motorized linear actuators. When opened, the window canopy folds horizontally overhead, creating a shade awning while providing a 100% unobstructed opening over kitchen bars, dining counters, or patio service stations.
Whether specified for high-traffic commercial hospitality venues or luxury residential builds, procurement officers must balance aesthetics with rigorous structural criteria, thermal efficiency, and water tightness against severe storm conditions.
Manufacturing & Engineering Integrity
Every Vertical Folding Up Window order is fabricated in our 20,000㎡ Guangdong production base. We manage the entire lifecycle in-house—from raw aluminum profile thermal breaking and precision CNC milling to gas strut pressure balancing, trial pre-assembly, and export crating.
Product System Recommendations
Explore our flagship vertical bi-fold configurations designed for diverse architectural loads, climate zones, and operating preferences.
Our most popular manual pass-through window for kitchen bars and cafes. Powered by high-durability German gas struts, the window opens effortlessly with a light push and remains held securely at 90 degrees overhead.
Designed for large-scale commercial storefronts, hotel lounges, and wide luxury outdoor living areas. Integrated silent linear actuator motors allow wall-switch, remote, or smart-home automated operation.
Specifically engineered for hurricane-prone coastal regions like Florida, the Caribbean, and coastal Australia. Features reinforced wall profiles, laminated SGP glass units, and heavy multi-point locking bolts.
Fortor Security Door Co., Ltd. subjects every window profile system to strict independent lab testing. Below are performance figures for our Vertical Folding Up Windows series for tender submissions.
Inquire NowIndustry Insights & Market Evolution
As global architectural preferences evolve toward open-plan hospitality and eco-friendly building envelopes, purchasing directors and developers must anticipate several emerging technical trends:
Energy codes across North America (IECC) and Europe are mandating lower thermal transmittance. Future procurement prioritizes warm-edge spacers, triple-pane argon filling, and multi-cavity thermal break profiles to cut HVAC energy consumption.
Commercial venues are shifting from manual gas-strut units to motorized vertical fold-up systems integrated with BMS (Building Management Systems). Automated closing during off-hours or sudden rain improves building security and weather protection.
The rise of seamless indoor-outdoor counter servery layouts demands zero-step lower sills. Engineering trends focus on concealed sub-frame drainage and drop-down seal mechanisms that block driving rain while maintaining a smooth countertop surface.
Procurement Engineering Guide
When sourcing Vertical Folding Up Windows for large-scale commercial or high-end residential projects, structural compatibility and safety are paramount. Use this comparative matrix to align your design requirements with the correct mechanism.
| Evaluation Factor | Manual Gas-Strut System | Electric Motorized System |
|---|---|---|
| Primary Application | Cafe counters, residential kitchen serveries | Wide commercial bar fronts, hotel event spaces |
| Maximum Span Width | Up to 3.5m (11.5 ft) | Up to 6.0m (19.6 ft)+ |
| Power Dependency | 100% Mechanical (Zero electricity) | AC 110V-240V or 24V DC motor connection |
| Opening Speed | Manual lift in 2-3 seconds | Motorized smooth lift in 15-20 seconds |
| Structural Header Load | Moderate top lintel anchoring required | Heavy overhead beam reinforcement essential |
| Cost Structure | Highly cost-effective, low maintenance | Premium investment, smart automation ready |
* Note: Both manual and motorized systems supplied by Fortor Security Door Co., Ltd. include structural header engineering calculations to assist site structural engineers.
Submit rough opening dimensions or CAD plans to [email protected]. Our engineering team reviews lintel load capacities.
We generate precise section details, wind load calculations, glass specs, and transparent factory-direct quote proposals.
Profile cut-aways, corner keys, color swatches, and hardware operational samples are dispatched for client approval.
Extrusion cutting, thermal break joining, glass glazing, and gas strut balancing performed under strict ISO 9001 quality controls.
Full trial assembly, cycle test, and custom timber box packing ensuring zero freight damage on international shipping routes.
Enterprise Strengths
With over 17 years of specialized manufacturing experience, Fortor Security Door Co., Ltd. stands out as a reliable B2B partner for importers, architectural specifiers, and construction firms across 30+ countries.
Eliminate middleman markups. Our integrated facility houses automated profile cutting, double-head welding, powder coating lines, and glass assembly under one accountable roof.
Our window systems are tested in third-party labs against NFRC, AS 2047, CSA, and ENERGY STAR standards, giving developers peace of mind during local building permit reviews.
From custom anodized finishes and specialized acoustic laminated glazing to hidden flyscreens and smart motorized controls, we tailor every detail to project specifications.
Our bilingual structural engineers assist with elevation calculations, anchoring advice, shop drawing creation, and remote installation guidance for your job site team.
Reinforced wooden crate packaging designed for sea, air, or rail transit. Our logistics team handles export clearance, container loading, and door-to-port tracking.
Every vertical folding window undergoes 100% trial assembly and hardware operational checks prior to packing, backed by our comprehensive factory warranty.
Proven Real-World Projects
Explore recent international commercial and residential projects featuring Fortor doors, windows, and custom vertical folding pass-through systems.
Commercial Hospitality · Coastal Resort
Engineered for high salt spray exposures and strong ocean wind forces. Fortor supplied custom Gas-Strut Vertical Folding Up Windows paired with 80mm thermal break frames and corrosion-resistant powder coating, enabling effortless outdoor beverage service.
Residential Luxury Villa
Seamless kitchen-to-deck entertaining space utilizing slim-frame vertical fold-up windows with built-in retractable insect screens.
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Mountain Residence
Designed with triple-glazed argon gas insulation to preserve indoor heating while allowing wide-open summer ventilation.
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Resort · Caribbean
Heavy-duty reinforced structural frames fitted with SGP laminated impact glass for severe tropical storm protection.
Inquire NowB2B Procurement FAQ
Get direct engineering and logistical answers regarding manufacturing capabilities, safety hardware, header structural calculations, and import compliance.
Direct Factory Contact
Partner directly with Fortor Security Door Co., Ltd. for factory-direct wholesale pricing, custom engineering drawings, and global delivery support.
Project Inquiry Checklist
Provide the following preliminary project specifications to receive custom CAD drawings and accurate factory pricing within 24 hours: