Chuanggao
4/5/6 panel 70 series glass folding door with folding screen
Leading Foshan aluminum window & door factory: custom solutions for residential & commercial projects, meeting CE/NFRC/AS2047 standards. Explore factory updates & tailored services.
Modern black 70 series double glazing folding door with folding flyscreen supplier
Modern 70 Series aluminum folding patio door with folding mosquito screen, perfect for connecting your kitchen, living room or balcony to the garden while keeping insects out.
- Ideal for balcony, patio, kitchen and living room divider
- Enjoy natural ventilation without mosquitoes and bugs
- Smooth and quiet folding operation, saves 50% space
- Custom color and size available for villa and apartment projects
The 70 series aluminum folding door features a 66.3mm frame and 2.0mm profile thickness with a flexible folding system. It maximizes opening space and seamlessly connects indoor and outdoor areas, ideal for patios, villas and wide openings.
Why Choose Our 70 Folding Door?
Maximized Opening
Folds up to 90% open, 3 to 6 panels optional
Smooth Operation
PAG anti-drop top roller, quiet & effortless
Heavy-Duty & Safe
2.0mm profile, multi-point lock, wind load 5.0KPa
Fully Customizable
Low/high track, custom colors & built-in blinds
| Key Attributes | 70 Series Bifold Door Traffic Door Options |
|---|---|
| Thickness | 2.0mm |
| Frame Width | 66.3mm |
| Sash Sightline / Visible Width | 70mm (Glass Sash) |
| Tempered Glass | 5mm+18A+5mm |
| Opening Type | Left & Right Bi-Folding |
| Folding Direction | Inward Folding / Outward Folding |
| Thermal Break Width | 14.8mm PA66 Polyamide Thermal Break |
| Standard Hinges | PAG High Load-Bearing Heavy-Duty Hinges for Folding Doors |
| Maximum Size Range | Folding Sash (Sash Width: 400-800mm, Sash Height: 800-3000mm) |
Prevents Sagging & Difficult Sliding
Flaw of standard folding doors: Low-grade rollers and thin profiles cause sagging, sticking and derailment.Our solution: 2.0mm reinforced profile + PAG mortise anti-drop top roller with high load-bearing, ensuring smooth, quiet and effortless folding for 10+ years.
Ensures Superior Waterproofing
Flaw of standard folding doors: Poor sealing causes rain leakage when inward folding.Our solution: Outward folding design recommended for exterior, with dual EPDM seals + hidden drainage, reaching 450Pa water tightness Class 4 and 4.5 m³/(m·h) air tightness Class 6.
Maximizes Space & Panoramic View
Flaw of standard doors: Sliding doors only open 50% and block the view.Our solution: 66.3mm narrow frame with 70mm slim sightline, 3 to 6 panel configurations, folds 90% open to seamlessly connect patio and garden.
Security & Flexible Customization
Flaw of standard folding doors: Weak locks and limited options.Our solution: PAG multi-point locking system + custom sizes (400-800mm wide, up to 3000mm high), optional low/high threshold, 19A/21A built-in blinds and 4 custom RAL colors.
Are 70 series folding doors energy efficient?
Yes. The 70 series with 14.8mm PA66 thermal break and 5+18A+5 insulated glass achieves a U-value as low as 3.0 W/(m²·K), reducing heat transfer and energy costs. Optional 19A/21A built-in blinds further improve thermal performance.
What is the max size of a 70 folding door?
Each folding sash can be made 400-800mm wide and 800-3000mm high. You can combine 3 to 6 panels to cover openings up to 5 meters wide. Fixed glass can be up to 32mm thick for better insulation.
Can I customize sizes, colors and options for 70 folding doors?
Fully customizable. We support custom panel combinations, RAL colors - Skin White, Light Ink Grey, Sanded Black, Autumn Brown, low/high track, and 19A magnetic / 21A motorized blinds.
What is the production lead time for 70 folding doors?
Standard orders take 25-30 days after drawing confirmation; projects with custom colors or built-in blinds require 30-35 days. All doors are packed with reinforced export packaging and shipped by sea.
Are 70 folding doors easy to install and waterproof?
Yes. Pre-assembled with PAG anti-drop top roller system for smooth operation. For exterior use, we recommend outward folding for better waterproofing - water tightness 450Pa Class 4. Inward folding is available but less water-resistant.
What material is the 70 folding door frame made of?
Primary 6063-T5 aluminum alloy with 2.0mm wall thickness, paired with Qualicoat-certified super-durable powder coating. It offers air tightness Class 6, wind resistance 5.0KPa Class 9, and sound insulation 30dB Class 3 for long-term use.
