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What Size Of Bi-Fold Door Do You Need?

by KE JIAYI 14 Jun 2023 0 Comments

When it comes to enhancing the functionality and aesthetics of your living space, bi-fold doors have emerged as a popular choice. In recent years, bi-fold doors have emerged as a highly sought-after feature in our homes, even in newly constructed structures. They are primarily utilized for closets in bedrooms and hallways; they come in various sizes and configurations. They are also frequently used as room dividers, exterior doors, laundry rooms, pantry areas, and the location of a home furnace.

However, before investing in a bi-fold door, it's crucial to determine the appropriate size to ensure a perfect fit and smooth operation. To enjoy a luxurious outdoor view or keep your home entrance gorgeous, you need to fit the right size door.

So, whether you're looking to revamp your patio, create a partition within your home, or transform your office space, read on to discover how to select the ideal size for your bi-fold door and unlock a world of style and functionality.

 What Are Bi-Fold Doors?

A type of door called a bi-fold door has two or more panels that are hinged together. They are referred to as "bi-fold" because when opened they fold in half, allowing the panels to stack neatly against one another. This collapsing activity takes into consideration a more extensive opening contrasted with conventional doors, settling on them a well-known decision for interfacing indoor and outside spaces.

Bi-fold doors, also known as room dividers, get their name from the fact that they can be folded in or out to make more room.

Most of the time, bi-fold doors have large glass panels that let in a lot of light. Bi-fold doors make the most of space because they have panels that fold up and stack against the wall while the door itself slides open.

Bifold doors can be internal or external.

Internal bifold doors are typically used to cover smaller spaces like closets, laundry rooms, or pantries. Internal bifold doors can be found in a variety of places and can be used for a variety of purposes,

External bifold doors are typically used to connect the inside of the home to the outside. External bifold doors are typically found at the back of a house and lead into a garden or summer house.

Bifold doors come in different materials: wood, uPVC, and aluminum. Aluminum doors are popular for modern homes, while timber doors are visually appealing. You can also choose from various colors. A more appealing, strong, and exceptional option is a bi-fold door, which pulls open from the middle, giving a full view and full admittance to what's behind the door in one quick movement.

 How Are Bi-Fold Doors Sized? 

How bi-fold doors are sized? You need to determine the width, height, number of panels, stacking configuration, and door configuration to get the right bi-fold door size for your need. So, generally, the bi-fold doors for the outside are made to fit through brickwork openings that are at least 1.8 meters wide. They are available in various sizes and door patterns, ranging from two doors for the smallest openings to six doors for the largest ones.

A six-door setup can have three plus three doors, which fold together on both sides or five plus one doors, depending on the configuration of the doors. As well as pondering the width of the entryway, you ought to focus on the level of the entryway also - the standard opening is 2095mm tall. Other sizes would need to be made specifically for you.

What Are Standard Bifold Door Sizes?

Standard bi-fold door sizes can vary depending on the manufacturer and region. However, few general sizes are here:


Single bi-fold door: It ranges from 60 cm (24 inches) to 90 cm (36 inches) in width.

Double bi-fold door:  Ranges from 120 cm (48 inches) to 180 cm (72 inches) in total width.


Standard heights for bi-fold doors are often 203 cm (80 inches) or 213 cm (84 inches).

Note:  These are general standard sizes, so you may need to consult with the specific manufacturer to determine the available sizes and options they offer.

 How Do You Measure The Size Of The Door?

 Measure the width: Measure the width of the opening where the bi-fold door will be installed. Use a tape measure to determine the distance between the inner edges of the frame or the width of the opening. Take measurements at both the top and bottom of the frame, as they may not be perfectly square. Record the width measurement.

Determine the number of panels: Decide the numbers, and it will depend on the width of the opening and the desired panel size. Generally, each panel is around 60-90 cm (24-36 inches) wide. Divide the width of the opening by the desired panel width to determine the number of panels needed. Ensure that the number of panels fits within the available width.

Measure the height: Measure the opening height from the floor to the top of the frame. Use a tape measure and take measurements on both sides to account for any unevenness.

Consider the stacking configuration: Decide on the stacking configuration of the bi-fold door. Determine whether the panels will stack internally or externally. Internal stacking means the panels fold and stack inside the building, while external stacking means they fold and stack outside. This will affect the space required on either side of the opening. Ensure you have enough space available for the doors to fully open and stack without obstruction.

It's always recommended to double-check your measurements, consult with professionals, or follow the specific instructions provided by the bi-fold door manufacturer to ensure accurate sizing and installation.


 In areas where people want a more adaptable, open-plan layout, bi-fold doors are gaining popularity as external and internal doors. Due to the way, they fold up on top of each other when opened; bi-fold doors not only look nice and feel luxurious but also save space.

Bi-fold doors offer a unique folding mechanism that allows for a seamless transition between indoor and outdoor areas, making them ideal for both residential and commercial settings.

For a "temporary open plan," use internal bifold doors to connect a kitchen and living room. While install external bifold doors to connect your back garden to your living room and let in a lot of natural light and a great view.

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