Folding Door
Your Professional Folding Door Supplier
Established in Longgang, Shenzhen Special Economic Zone in 2008. Unique geographical environment; Convenient transportation, complete supply chain. After years of unremitting efforts, the company has become a national level high-tech enterprise that integrates research and development, production, and sales.
Folding Door
Bifold doors consist of multiple panels that fold back on themselves, stacking neatly against the wall. They are typically used to connect indoor and outdoor spaces, or to create flexible room dividers within a home. These doors can be made from various materials, including wood, aluminium, and UPVC, with aluminium bifold doors being a popular modern choice for their durability and sleek design.
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Product Name |
Sliding Folding Door |
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Model |
H-SD2138 |
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Open Style |
Folding |
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Introduction |
Material Aluminum Alloy+Glass+Accessories |
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Glass Options |
Specification:5mm+15A+5mm or customized |
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Color.clear,frosted, blue, gray, green, brown |
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Type:Low-E glass, Tinted Tempered glass |
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Material Single-layer glass, double-layer glass and laminated glass are all tempered glass |
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Profile Options |
Profile Brand: Chinese brand |
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Profile Thickness:1.0mm |
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Surface treatment process. powder coating, anodizing, PVDF coating, etc. |
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Profile Color.Customized |
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Accessories |
Sealing Strip:EPDM Sealing Strip |
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Hardware: China's top brand |
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Track stainless steel rai |
Advantages of Folding Door
Space efficiency
Bifold doors are designed to maximise space. When fully opened, the panels stack neatly to the side, creating a wide, unobstructed opening. This feature makes them an excellent choice for smaller rooms or areas where space is at a premium. Unlike traditional doors that swing open and take up space, bifold doors save valuable floor area and provide a more streamlined look.
Increase natural light
One of the standout benefits of bifold doors is their ability to enhance natural light in your home. The large glass panels allow for ample sunlight to enter, brightening up interiors and creating a more inviting atmosphere. This increased natural light can also help reduce the need for artificial lighting during the day, leading to energy savings.
Add value to your home
Installing bifold doors can increase the market value of your home. Their modern design and functionality are attractive features for potential buyers, making them a worthwhile investment. Homes with bifold doors often have a more contemporary feel and can appeal to buyers looking for stylish and practical home improvements.
Safety features
Modern bifold doors come equipped with various safety features, such as multi-point locking systems and toughened glass, providing both security and peace of mind. These features ensure that while your doors are visually appealing, they do not compromise on safety. Additionally, many bifold doors are designed to be child-friendly, with finger-safe gaskets to prevent accidents.
Modern aesthetic
Bifold doors offer a sleek, contemporary look that can complement any home style. With various finishes and materials available, you can customise them to match your interior and exterior decor. Whether you prefer the natural warmth of wood or the modern appeal of aluminium, there’s a bifold door to suit your aesthetic preferences.
Energy efficient
Bifold doors are designed with energy efficiency in mind. High-quality bifold doors feature insulated frames and double or triple glazing, helping to maintain your home’s temperature and reduce energy bills. These doors can help keep your home warm in the winter and cool in the summer, enhancing overall comfort and reducing reliance on heating and cooling systems.
Type of Folding Door
Exterior folding door
Exterior bifold doors have specific features to ensure insulation against the elements and keep your space secure.
Room dividers
Room dividing bifold doors are usually made of lightweight materials meant exclusively for interior use. The frames may be wood or metal, with wood or glass panels suspended inside them.
Folding door with access door
Some bifold door systems have access doors that open and close just like a standard swinging door — i.e., the access door can be opened, closed, and locked independently from the other panels.
Commercial folding door
Commercial bifolding doors are usually larger and sturdier than their residential counterparts. Restaurants and retailers frequently install commercial bifold doors in their storefronts to make the space feel more inviting, let in fresh air, and extend the business space so they can serve more customers.
Residential folding door
Residential bifold door systems are usually shorter and less heavy than commercial doors. Exterior doors come with insulation and robust locking systems, while interior doors are typically thinner with locking systems that merely hold them in place.
Use of Folding Door
Room Divider
Accordion folding doors are often used to divide large rooms into smaller, more functional spaces in homes, offices, or conference centers.
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Closet Doors
These doors are a popular choice for closets, allowing easy access to the full width of the closet without requiring additional floor space for door swings.
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Patio Doors
Accordion folding doors can be used to create a seamless transition between indoor and outdoor living spaces, offering wide openings that enhance natural light and airflow.
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Office Partitions
In open-plan offices, accordion folding doors can create temporary private meeting rooms or workspaces that can be easily reconfigured as needed.
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Retail Displays
Stores use accordion folding doors to secure merchandise displays after hours while allowing for an open and inviting layout during business hours.
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Patios and Decks: Bi-fold doors create a seamless flow between indoor living areas and outdoor entertainment spaces, perfect for hosting gatherings or enjoying leisure time in the fresh air.
Sunrooms or Conservatories: Installing bi-fold doors in sunrooms or conservatories enhances the connection with the surrounding landscape, allowing occupants to enjoy panoramic views and abundant natural light.
Bedrooms: In bedrooms with access to balconies or private outdoor spaces, bi-fold doors can create a tranquil retreat, blurring the lines between indoor comfort and outdoor serenity.
Kitchen or Dining Areas: Bi-fold doors can transform kitchen or dining areas into bright and airy spaces, providing easy access to outdoor dining areas and enhancing the overall ambiance of mealtime gatherings.
Home Offices or Studios: For home offices or studios, bi-fold doors offer the flexibility to open up the space for inspiration and creativity, or to create a quiet and secluded environment when closed.
Ideal location for installing folding doors
Patios and Decks
Bi-fold doors create a seamless flow between indoor living areas and outdoor entertainment spaces, perfect for hosting gatherings or enjoying leisure time in the fresh air.
Sunrooms or Conservatories
Installing bi-fold doors in sunrooms or conservatories enhances the connection with the surrounding landscape, allowing occupants to enjoy panoramic views and abundant natural light.
Bedrooms
In bedrooms with access to balconies or private outdoor spaces, bi-fold doors can create a tranquil retreat, blurring the lines between indoor comfort and outdoor serenity.
Kitchen or Dining Areas
Bi-fold doors can transform kitchen or dining areas into bright and airy spaces, providing easy access to outdoor dining areas and enhancing the overall ambiance of mealtime gatherings.
Home Offices or Studios
For home offices or studios, bi-fold doors offer the flexibility to open up the space for inspiration and creativity, or to create a quiet and secluded environment when closed.

How folding doors work
Each door panel is hinged together, typically with two or more panels connected.
The panels are attached to a top track, which guides their movement as they fold and slide.
A bottom guide keeps the panels aligned and stable as they move along the track.
Rollers fitted within the track facilitate smooth and effortless operation, allowing the panels to glide with ease.
When fully opened, the panels stack neatly to one side, maximizing the available space and creating a seamless transition between indoor and outdoor areas.
Measuring Energy Efficiency For BI-Fold Doors
☆U-Value: The U-value measures the heat transfer rate through the door assembly. A lower U-value indicates better insulation and reduced heat loss, contributing to higher energy efficiency.
☆Double or Triple Glazing: Bi-fold doors with double or triple glazing provide enhanced insulation by trapping air between multiple layers of glass, reducing heat transfer and improving energy efficiency.
☆Weather Stripping: High-quality weather stripping around the door frame helps to prevent drafts and air leakage, ensuring a tight seal and maximizing energy efficiency.
☆Frame Material: The choice of frame material, such as aluminum, timber, or uPVC, can impact energy efficiency. Well-insulated frames with thermal breaks minimize heat transfer and contribute to overall energy efficiency.
☆Energy Ratings: Bi-fold doors may be rated according to energy efficiency standards, such as the Energy Star rating system, providing homeowners with valuable information to make informed decisions about their energy-efficient features.
Folding door safety
Multi-Point Locking System
Bi-fold doors feature a multi-point locking system that secures the door at multiple points along the track, providing enhanced security and stability.
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Anti-Lift Tracks
High-quality bi-fold doors feature anti-lift tracks that prevent the panels from being lifted out of their tracks from the outside, deterring unauthorized entry attempts.
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Toughened Glass
The glass panels used in bi-fold doors are typically toughened for added strength and safety, reducing the risk of breakage and enhancing security.
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Security Upgrades
Additional security features such as cylinder locks, shoot bolts, and laminated glass can be incorporated into bi-fold doors for increased protection against forced entry.
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Professional Installation
Proper installation by qualified professionals ensures that bi-fold doors are fitted securely and operate smoothly, minimizing the risk of accidents or security vulnerabilities.
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How To Install Bifold Doors
First, you’ll need to measure the opening where the door will be installed. Measure the width and height of the opening, and then subtract about 1/4 inch from each measurement. This will give you the rough dimensions of the door itself.
Next, you’ll need to mark out where the door will be placed on the opening. Use a level to make sure that your lines are straight, then use a tape measure or ruler to mark out evenly spaced lines along the top and bottom of the opening (these will be your hinge locations).
Now it’s time to cut out the hole for the door. If you’re not comfortable doing this yourself, you can always hire someone else to do it for you. Just make sure that whoever cuts it out leaves enough room for any trimming or adjustments that might need to be made later on.
Once the hole is cut out, it’s time to start installing the hinges. Place one hinge at each of your marked locations, making sure that they’re level and flush with both the top and bottom of the opening. Then use screws or nails (depending on what type of hinge you’re using) to secure them in place.
Now it’s time to hang up your door! Have someone help you lift it into place (it might be a little heavy), then line up each hinge with its corresponding screw holes in the frame. Once everything is lined up correctly, go ahead and tighten all of your screws until everything feels nice and secure
Last but not least, add any handles or locks that you want on your door! And that’s all there is too it – Pretty simple right? In no time at all you’ll have beautiful new bifold doors installed in your home
How To Maintain Bifold Doors
Keep them clean: Bifold doors can collect dust and dirt, so it’s important to wipe them down regularly with a soft, dry cloth. You can also vacuum them with the brush attachment to remove any build-up of debris.
Lubricate the hinges: Over time, the hinges on bifold doors can become dry and squeaky. To keep them operating smoothly, you’ll need to lubricate them periodically with a light oil such as WD-40 or 3-in-1 oil.
Adjust the hardware: If your bifold doors are starting to stick or jam, it could be because the hardware needs adjusting. Loosen the screws that hold the track in place and then tap it gently until it’s level again. You may also need to adjust the tension on the springs if your doors are closing too slowly or too quickly.
Check for damage: Inspect your bifold doors regularly for any signs of damage such as cracks, splits or warping. If you notice any damage, it’s important to get it fixed as soon as possible before it gets worse and causes further problems.
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FAQ
As one of the leading folding door manufacturers and suppliers in China, we warmly welcome you to wholesale folding door made in China here from our factory. All customized products are with high quality and competitive price.








