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AOSTTER Large Size Concertina Aluminum Folding Door with Multi-Point Locking Sound Dampening Glass for Balcony
Product Description
Product Highlights
Direct Factory and AS2047 Certified Production
Backed by a 30,000sqm smart facility, we offer heavy-duty aluminum bifold doors with direct pricing to maximize your project profit margins.
Top-Hung Heavy Load Roller System
Integrated with premium stainless steel rollers supporting up to 150kg per leaf, ensuring effortless gliding and absolutely zero sash dropping.
Extreme Weather Sub-Sill Drainage
Features a specialized hidden drainage bottom track and triple EPDM gaskets to guarantee zero water leakage during horizontal rainstorms.
Advanced PA66 Thermal Break Design
Utilizes high-density polyamide insulation strips to significantly reduce heat transfer, perfectly meeting stringent energy-efficient building codes.
6063-T5 Aviation-Grade Profile
Constructed with 2.0mm reinforced wall thickness to withstand 5000Pa hurricane wind loads, ensuring absolute safety for high-rise commercial uses.
Fortress-Grade Multi-Point Security
Equipped with high-security multi-point locking mechanisms and anti-lift brackets to provide a robust barrier against forced entry.
Professional CAD Engineering Support
We provide 100 percent bespoke customization with shop drawings issued within 24 hours to ensure seamless integration for large developments.
Technical Specifications - Bifold Door System
| System Type | Thermal Break Aluminum Bifold / Folding Door |
| Profile Grade | Aviation-Grade 6063-T5 Aluminum Alloy |
| Wall Thickness | 2.0mm - 2.5mm Heavy Duty Extrusion Profile |
| Thermal Break | PA66 Polyamide Insulation Strips |
| Roller System | Top-Hung Stainless Steel Rollers (Max 150kg/Leaf) |
| Bottom Track | Flush Sill / Weather-Resistant Sub-Sill Options |
| Glass Spec | 5mm+12Argon+5mm Double Tempered Low-E IGU |
| Wind Pressure | ≥ 5000 Pa (Hurricane Impact Resistant) |
| U-Value | ≤ 1.2 - 1.8 W/(m²K) (High Energy Efficiency) |
| Sound Insulation | 35dB - 42dB (STC Grade 4) |
| Airtight & Watertight | Class A Standard (Zero Leakage under 700Pa) |
| Hardware System | German ROTO / HOPO Multi-point Locking |
| Surface Finish | Marine-Grade AkzoNobel Powder Coating / PVDF |
| Compliance | AS2047, NFRC, AAMA, CE Certified |
| Warranty | 15 Years Structural; 10 Years Hardware |
Technical Specifications - Bifold Window System
| Product Name | Aluminium Bifold Window / Folding Window / Servery Window |
| System Type | Top-Hung / Bottom-Rolling (Optional) |
| Material | Aviation-grade 6063-T5 Thermal Break Aluminum |
| Glass Type | Tempered Double Glazed IGU (Low-E Coating) |
| Opening Direction | Left / Right / Split / One-side Stack |
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a 100% source manufacturer. We own a 30,000 sqm modern factory with an annual production capacity of 500,000 sqm. We warmly welcome you to inspect our factory via video call or visit us in person.
Can you customize windows and doors according to my project sizes and designs?
Absolutely. We specialize in OEM & ODM for global projects. Just send us your floor plans or specific measurements, and our engineering team will provide a Free 3D Design & Shop Drawing within 24 hours. RAL/Pantone customized colors are also supported.
What kind of packaging do you use to ensure safe transportation?
We use Export-Standard Safe Packaging to guarantee zero damage. Inside, we apply protective film and shockproof EPE foam. Outside, we pack the products in fully sealed, non-fumigation plywood crates. Your glass and frames are 100% safe with us.
How do you guarantee the quality and energy efficiency of your products?
We use high-precision 6063-T5 aluminium profiles and premium PA66 thermal break nylon strips. This multi-cavity structure provides excellent sound insulation, heat preservation, and wind resistance, significantly reducing your HVAC energy costs.
What is your Minimum Order Quantity (MOQ)?
We do not have a strict MOQ. We accept sample orders starting from 1 set to help you test our quality. Whether it is a single residential house or a large commercial building project, we are ready to support your business needs.
What kind of quality warranty do you provide?
We offer a 10-year warranty for our aluminium profiles and a 5-year warranty for hardware accessories. If any quality defects occur within the warranty period under normal use, we will provide replacement parts free of charge.
