Slimline aluminium bifold doors fold back to connect a living room with a balcony or garden. The 140 system combines narrow sash sightlines with thermally broken framing and double glazing.
Choose the folding layout around your opening and everyday access. Alloy Pro can coordinate the frame finish, glazing and hardware for your project.
Application images are concept renders illustrating possible settings.
| Series | 140 thermal-break bifold door |
|---|---|
| Opening | Outward folding |
| Aluminium profile | 2.0 mm |
| Thermal break | 22 mm |
| Sash sightline | 35 mm |
| Frame sightlines | Top/bottom 87 mm; sides 53 mm |
| Maximum sash height | Up to 2,800 mm, subject to configuration |
| Sealing & locking | Three seals; multi-point locking |
For this series: Black and grey finishes.
For this series: Sliding flyscreen option.
For this series: Kinlong hardware with multi-point locking.
The folding leaves stack back towards the wall. Narrow sash sightlines keep the glazed panels visually light, while the three-seal arrangement, drainage design and multi-point lock form part of the 140 system.
Send your opening dimensions, quantities and project location to Alloy Pro. We coordinate the selected frame, glazing and operating hardware for your quotation.
Australian local points of contact can help with face-to-face discussions and project follow-up. Available services are coordinated for your location and project scope.
Alloy pro is the earliest supplier in China who has got the authentic AS2047 certificate from Sai Global and carry the window tests in Australian most authoritative test lab AZUMA in Sydney…
Alloy Pro is your professional partner in aluminum solutions. With 15 years of industry expertise, we have served over 300 global projects across building curtain walls, smart doors & windows, and industrial aluminum profiles. Our core technologies include German precision cutting and nano-surface treatment, improving corrosion resistance by 50%.
We offer star products such as 2cm ultra-narrow frame windows and 1-hour fire-resistant insulated windows, alongside fully customizable industrial aluminum components. Committed to sustainable manufacturing, we are ISO 14001 certified and achieve an aluminum recycling rate of over 95%.
Supported by our self-built international supply chain, we provide tailored solutions and reliable delivery to markets in Europe, Southeast Asia, North America, and Africa. Each project is backed by dedicated one-on-one engineering support, a 5–10 year product warranty, and 24/7 after-sales service.
Choose Alloy Pro to build your ideal space with precision, quality, and responsibility.
With 15 years of expertise and ISO certification, AlloyPro combines Foshan’s supply chain efficiency with German precision technology. We offer factory-direct pricing and world-class durability that meets international architectural standards.
We are a direct manufacturer with our own factory in Foshan. We manage the entire process—from R&D and extrusion to surface treatment—ensuring superior quality control and flexible customization.
Yes. Our systems are engineered for global compliance, including AS2047 for Australia and NFRC/AAMA requirements for North America, focusing on high thermal performance and structural safety.
Our standard lead time is 25–35 days. With 15+ years of experience in global real estate projects, we are fully equipped to handle high-volume bulk orders with guaranteed on-time delivery.
We offer a full spectrum of RAL powder coatings, PVDF finishes, and wood-grain textures. Our nano-scale treatment increases corrosion resistance by 50%, ensuring long-lasting color stability.
We use protective film, EPE foam, and reinforced wooden crates to ensure zero-damage transit. Yes, we support customized packaging and labeling to meet your specific logistics or branding needs.
