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What Size of Bi-Fold Door Do You Need?

by KE JIAYI 14 Jun 2023 0 Comments

If you are planning about what type of door installation is the perfect for your home and what size of doors you should choose, you should first think about bi-fold doors. The size of these doors looks very elegant but it is very important to know what size of bifold doors that will suit the needs of your home in a perfect manner. They will provide a seamless connection between outdoor and indoor environments and you will enjoy the stunning visual appeal that will adorn your home.

For this purpose, we have come up with this comprehensive guide in which we will guide about what size of bi-fold those should be installed and how it can turn out to be the right size.

What are Bi-Fold Doors?

Understanding the concept of bi-folding doors is essential before delving into the specifics of dimensions. Bi-fold doors, also known as folding doors, possess a unique door style consisting of interconnected panels joined by hinges. When the door is released from its latch, the panels elegantly interlock, unveiling a spacious entrance and optimizing the utilization of the accessible area. Homeowners who desire a smooth and uninterrupted flow between their indoor and outdoor spaces have widely embraced the installation of bi-fold doors, particularly in outdoor settings like patios and large openings.

 Bi-fold doors, often labeled as folding doors, have gained significant popularity among both homeowners and business proprietors due to their contemporary and adaptable design. These doors incorporate multiple interconnected panels that can be effortlessly folded and stacked, facilitating easy opening. Their purpose is to maximize the available space and foster a seamless transition between indoor and outdoor areas.

Why go for Bi-fold doors?

The advantages of bi-folding doors extend to the generous opening they provide. When fully unfolded, these doors create a spacious and unobstructed entryway, facilitating seamless transitions and unimpeded views. Connecting indoor and outdoor spaces becomes effortless with bi-fold doors, making them an excellent option for patios, gardens, or balconies.

 Bi-fold doors are versatile and can complement various architectural styles and personal design preferences. They are available in a variety of materials, including timber, aluminium, and uPVC. Customizing the finishes, colors, and glazing options of these elements can enhance the visual appeal of a property.

 In addition to their aesthetic appeal, bi-fold doors offer practical benefits. These energy-efficient fixtures are designed to conserve energy, ensuring excellent insulation and helping to maintain a comfortable indoor environment. The multi-point locking systems of bi-fold doors provide homeowners with an added layer of security, instilling peace of mind.

 Overall, bi-folding doors provide a sophisticated and functional choice for those who desire a seamless flow between their interior and exterior spaces. Whether installed in residential or commercial settings, these doors bring an essence of refinement and versatility to the area..

 How Are Bi-Fold Doors Sized?

 Bi-fold doors offer a diverse selection of sizes to cater to your specific design preferences and opening requirements. These doors come in a range of dimensions, typically measured in millimeters, with width indicating the measurement when fully open, and height representing the distance from top to bottom.

 The convenience of standardized sizes provided by manufacturers facilitates the search for a suitable fit in different scenarios. However, if your doorway's dimensions deviate from these standard options, you have the option to choose custom-made bi-fold doors, meticulously crafted to perfectly match your individual specifications..

How Do You Measure the Size of a Bi-Fold Door?

 Measuring the size of a bi-fold door accurately is crucial to ensure a seamless installation and optimal functionality. Here's a step-by-step guide to help you measure your door opening correctly:

  1. Measure the width:Begin by measuring the width of the opening where you intend to install the bi-fold door. Take three measurements: at the top, middle, and bottom of the opening. Record the narrowest measurement as the width of your door.
  1. Measure the height:Next, measure the height of the opening from the floor to the underside of the lintel or header. Again, take three measurements: on the left side, middle, and right side of the opening. Note down the tallest measurement as the height of your door.
  1. Consider the threshold height:Don't forget to factor in the threshold height, which is the height of the bottom track that the door panels will sit on. Ensure that the threshold height is compatible with your flooring type and that it provides a smooth transition between rooms.
  1. Check for squareness:Lastly, check if your opening is square by measuring the diagonals from corner to corner. If the measurements are equal, your opening is square. If not, you may need to make adjustments or consider custom-sized doors that can accommodate non-square openings.


 Ensuring optimal functionality and a flawless installation of your bi-fold door hinges on the critical task of selecting the perfect size. To confidently make this decision, it's essential to grasp the fundamental principles of bi-fold doors, understand their sizing options, and learn the proper technique for measuring your door opening accurately. Armed with this knowledge, you can embark on the journey of choosing a door that seamlessly integrates with your space, exuding both charm and practicality.

The beauty of bi-fold doors lies in their ability to transcend mere utility and elevate the overall aesthetic and functionality of your living area. By judiciously weighing the merits of standard versus custom sizes, you gain the power to curate an exquisite transition between your indoor and outdoor realms. These doors effortlessly merge the two spaces, granting you an enchanting panorama while ensuring a harmonious flow throughout your abode.

Immerse yourself in the vast array of bi-fold door options, envisioning the transformative impact they will have on your living environment. Embrace the possibilities that lie before you, and embark on a journey of seamless integration, where style and practicality intertwine to create a space that is uniquely yours.

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