
Slim Bifold Doors
Slim bifold doors are an upgraded variant of the traditional bifold door, characterized by ultra-narrow frame designs (20–45mm). They fold and stack to one or both sides, creating a seamless, flat barrier when closed and a complete opening when open.
Product Overview
The SUNEAR Elite Architectural Slim-Frame Bifold portal system represents the definitive engineering luxury for achieving absolute spatial majesty and landmark visual transparency in prestigious residential milestones and commercial flagships worldwide. Meticulously engineered using reinforced 6063-T5 aluminum framing and featuring ultra-slim sightlines as narrow as 20mm-45mm, our slim bifold solutions delivery exceptional atmospheric protection and landmark structural security even when configured as an expansive 'wall of glass'. Designed for hallmark project developments that demand both a pure minimalist architectural identity and a sophisticated contemporary profile, the system ensures a high-prestige building finish with maintenance-free surface integrity and silent operational longevity. As a China-based system windows and doors factory, we provide developers and architects with precision-manufactured grand-scale systems at competitive wholesale pricing to support iconic globally building milestones.
Specifications
| Series | Aluminum -50/68/75 Series; 1.4-3.0mm thickness |
| Hardware | High Quantity Made In China/Germany |
| Glass | Single Tempered Glass or customized insulated glass |
| Color & Surface | Power coating, Anodizing, Electrophoresis; Black, Bronze, Wood grain etc. |
Key Features
Indoor-outdoor Seamless Connection
The ultra-slim frame ensures that closed doors present a 'wall of glass' effect; when fully opened, panels take up minimal space.
Minimalist Living Aesthetics
Almost frameless design turns the door into a light transmission interface rather than a heavy barrier.
Space Optimization
Does not occupy swing space and visually expands the room area, solving the sense of depression in compact residences.
Technological Durability
High-strength lightweight materials paired with precision sealing ensure energy efficiency and reliable operation.
Related Project Cases

Project In CA, USA
Project In CA, USA is a project supply case in California, USA, supplied with Bifolding Doors for the main opening package.

Bifolding Window Product For Chile Client
Bifolding Window Product For Chile Client is a residential case in Chile, supplied with Bifolding Doors, Bifolding Windows, Aluminum Windows for the main opening package.
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