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What are Closet Bi-Folding Doors?
Bi-folding doors are a modern space-saving solution for your home or apartment. They usually consist of two or more panels that, when opened, slide on a guide rail and fold in half. This configuration easily provides full access to the closet's contents and is much more compact than traditional swinging doors, so you can install a sliding system even in tight or small rooms.
The Door Design Lab offers more than 400 quality models with different decor and finishes so that every homeowner will find a suitable option. With minimal hardware visible, bi-fold doors deliver a clean, modern aesthetic that enhances the overall design of your living space. They are the perfect combination of form and function: sleek, durable, and ideal for any closet in need of a stylish update.
Types of Closet Bi-fold doors
|
Type |
Description |
Models |
|
Slatted (louvered) |
These doors combine style and functionality, featuring horizontal slats that allow ventilation and light flow. Perfect for closets that require air circulation, they create a timeless, rustic aesthetic while keeping clothes fresh and odor-free. They are ideal for linen closets, utility rooms, or spaces where airflow is a priority. |
Louver collection. |
|
Glazed |
Glazed bi-fold doors are a sophisticated choice for those who want to combine privacy with a touch of elegance. Featuring frosted glass inserts, they allow light to filter through while keeping clothing and accessories concealed. Great for modern interiors, they create an open and airy feel, making them perfect for bedrooms or walk-in closets. |
Avon collection, Palladio collection, Gina Vetro, Kina Vetrom Vita Vetro, Rita Vetro, Romi Vetro, and Smart Pro H3g 4H Black Strips. |
|
Shaker |
Classic and versatile, Shaker-style bi-fold doors bring a clean, minimalist look to any closet. With simple paneling and a refined design, they suit both traditional and contemporary interiors. |
Shaker 1 Panel and Shaker 2 Panel. |
|
Flat |
Sleek, modern, flat doors offer a smooth, unembellished design that complements minimalist and contemporary styles. These doors feature a flat surface with no raised panels or detailing, providing a seamless look that enhances the visual appeal of any room. They can be decorated with aluminum strips that create an elegant visual effect, enhancing the hardware's beauty. |
Arvika, Optima, Optima 4H, Palladio, Smart Pro 208 Vetro, Smart Pro 2V, and Smart Pro 2U Black. |
Size
Standard door slab dimensions:
-
Nominal width: 18, 24, 28, 30, 32, 36, and 42''.
-
Nominal height: 80, 84, 92 ½, 96, and 108''.
If you need a folding door of a different size, please contact our call center specialists.
Color
-
White: Bianco Noble, Polar White, and Snow White.
-
Light: Loire Ash and Shambor.
-
Brown: Pecan Nutwood and Veralinga Oak.
-
Gray: Dark Urban, Gray Oak, Light Urban, and Ribeira Ash.
-
Black: Black Apricot and Black Matte.
Hardware kit
When purchasing a Belldinni interior door unit, the following elements are included in the hardware set: an aluminum track that holds the slabs and door knobs. We offer handles in various shapes, sizes, and colors (satin nickel, satin brass, and black).
FAQ
Available sizes of bifold doors
Why Choose Bi-Fold Interior Doors?
Bi-folding doors combine innovative design and functionality—their two or four slabs (adjusted to your doorway's dimensions) slide silently and fold compactly, making them a perfect space-saving solution.
Where to Use Bi-Fold Doors
Thanks to their versatility, bi-folding doors are suitable for installation in any room, and are especially practical for small spaces.
|
Location |
Recommendations |
Best colors |
|
Living room |
Add a modern touch by using white bi-fold doors, black bifold doors, gray, or brown doors as stylish room dividers, which will become an accent in the interior. |
Dark Urban, Polar White, Shambor, Black Apricot |
|
Kitchen |
Maximize your kitchen layouts with aesthetic bi-fold doors, which, unlike traditional swing systems, do not require much space. |
Light Urban, Loire Ash, Ribeira Ash, Snow White |
|
Bedroom |
Stile and rail 1, 2, 5 Panel and Bifold Shaker doors, combined with a striking or minimalist pull, are ideal for a bedroom closet. |
Bianco Noble, Gray Matte, Shambor |
|
Bathroom |
Belldinni doors from the French collection (models with frosted or textured glass inserts for privacy), covered with polypropylene or enamel, are resistant to moisture and temperature changes, allowing you to use them in the bathroom or laundry for many years. |
Ribeira Ash, Polar White, Snow White |
|
Office |
Elegantly separate your workspace with glazed bi-fold doors that allow light to pass through, or opt for a solid core model to focus on essential tasks without extraneous noise. |
Loire Ash, Pecan Nutwood, Polar White |
|
Closet |
This configuration offers easy access to clothes and storage. Our product range includes folding louvered doors with slatted panels that allow for natural airflow. |
Black Matte, Light Urban, Veralinga Oak |
|
Pantry |
Optimize your space and store groceries, kitchen utensils, and household appliances behind stylish bi-fold doors. |
Bianco Noble, Dark Urban, Primed |
Standard bi-fold door sizes
When planning the installation of double doors, consider the rough opening size—the space in the wall that allows the door to be mounted and operate correctly. Its dimension should be slightly larger than the slab itself to accommodate the frame and hardware.
-
Nominal height: 80, 84, 92 ½, 96 icnh, and 108''.
-
Nominal width:
-
For single doors: 18, 24, 28, 30, 32, 36, and 42''.
-
For double doors: 36, 48, 56, 60, 64, 72, and 84''.
Belldinni bi-fold doors are available to order in any size required.
Bi-Fold Doors vs Other Door Types
|
Criteria |
Bi-fold doors |
Barn doors |
Sliding doors |
Pocket doors |
|
Design variability |
High: many styles and finishes |
Moderate due to a hidden system |
||
|
Space efficiency |
Good: fold compactly |
Moderate: mounted in front of the doorway |
Good: slide along wall |
Excellent: slab slides into wall cavity |
|
Durability |
Excellent: our doors are made of the best materials, and high-quality hardware extends their service life |
|||
|
Affordability |
Generally affordable |
Can be pricey because of the hardware |
Mid-range pricing |
Expensive due to the complexity of the design |
|
Sound insulation |
Good enough |
Poor |
Insufficient |
Best among all |
|
Maintenance |
Straightforward: when cleaning, it is enough to wipe the slab and hardware with a damp cloth without aggressive detergents |
|||
|
Easy to install |
Easy to install |
Moderate: needs precise track alignment |
Easy to install |
Complex |
|
DIY-friendly |
Very DIY-friendly |
Moderately DIY-friendly |
DIY-friendly |
Challenging for DIY |
Bi-fold doors provide a balance of style, practicality, and ease of use. With design versatility, durability, and space-saving benefits, they are a cost-effective solution for both DIY projects and professional installations. Maintenance and installation are straightforward, delivering long-term reliability and convenience.
What’s Included in the Bi-Fold Hardware Kit
-
Pull handle.
-
Johnson hardware 100 series single track (72").
-
Johnson hardware 100FD 2-panel part set.
Technical information & installation guide (100FD Bi-Fold Door Johnson Hardware)
All data in the table is given for bi-fold doors.
|
Max Door Weight |
75 lbs / 34 kg |
Wheel Dia. |
1'' |
|
Min Door Thickness |
1'' (25 mm) to 1-3/4" (44mm) |
Wheel Type |
Nylon encapsulated sealed ball bearing |
|
Track Finish |
Mill aluminum |
Steel Component Finish |
Zinc trivalent plated |
|
Track Material |
Extruded aluminum |
Steel Components |
12-14 gauge |
|
Track Profile |
Box track |
Track Length |
36" (914 mm) for 2-panel hardware sets, 48" (1299 mm) to 96" (2438 mm) for 4-panel hardware sets |
|
Hanger Type |
Top mount |
Commercial Grade |
Top hung bi-fold door hardware |
Bi-fold systems are available for 2- and 4-panel configurations. For more information, please contact our specialists.
You can find the installation instructions for the 100FD bi-fold sliding door hardware here.
Delivery and Warranty Information
Belldinni interior doors are safely shipped across the 45 states in a specially designed secure crating system that ensures that your order arrives in perfect condition. Shipping times vary depending on the final destination and typically range from 2 to 7 business days.
A 2-year warranty covers the entire assortment.
Advantages of Bi-Fold Doors
Sophisticated modern aesthetic
Pre-finished bi-fold doors are a revolution in interior design, as their unique configuration makes them a bright and functional accent in every room.
Easy access and smooth operation
The folding mechanism has worked perfectly for many years.
Quality materials
Product quality is our top priority, so each door unit is crafted from the finest, most durable, and eco-friendly materials.
Variety of designs and finishes
Our product range includes over 600 models of bi-fold doors featuring various decorative elements and finishes, including polypropylene, enamel, veneer, and primer.
Single or double doors
Choose two or four slabs, depending on the size of your door opening.
FAQ
How to measure bi-fold doors?
Use a tape measure to determine the width and height of the slab. We recommend taking three measurements of each dimension to minimize error. If you need detailed step-by-step instructions, please follow our guide.
How to determine the rough opening size for bi-fold doors?
Rough opening height = Door slab height + 2 7/8''.
Rough opening width:
-
For single bi-fold doors: Door slab width + 9/16''.
-
For double bi-fold doors: Door slab width + 15/16''.













