Accurately Sizing Wall Openings for Bifold Doors: A Guide by Warren Window


Bifold doors are a popular choice for homeowners looking to maximize space and increase natural light in their living areas. However, accurately sizing the wall opening for bifold doors is crucial to ensure a seamless installation and optimal functionality. In this blog post, we will discuss the steps to take to accurately size your wall opening for bifold doors, as well as provide some helpful tips.

Measuring the Wall Opening

To begin, measure the width of the opening at three different points, taking note of the smallest measurement. This ensures that the bifold doors will fit properly and operate smoothly. Next, measure the height from the floor to the top of the opening, considering any flooring variations Warren Window. It is important to deduct approximately 10-12mm from both the width and height measurements to allow for smooth operation and clearance.

Standard Sizes for Bifold Doors

Bifold doors are typically available in standard sizes, making it easier for homeowners to find the right fit for their living space. When working with an even number of doors, it is recommended to ensure that each individual door leaf is a minimum of 28 inches wide. Conversely, when working with an odd number of doors, each door should have a width of at least 16 inches. It is important to note that the common height for bifold doors is typically 80 inches. These standard sizes can be readily found at various hardware stores, providing convenient options for homeowners seeking to incorporate bifold doors into their living spaces.

Tips for a Successful Installation

To ensure a successful installation, it is important to follow the manufacturer’s instructions carefully. Additionally, it is recommended to have a professional installer handle the installation, as they have the expertise and experience to ensure that the bifold doors are installed correctly. Finally, it is important to properly maintain the doors, including regular cleaning and lubrication of the tracks and hinges.


Sizing the wall opening for bifold doors is an important step in the installation process. By following these simple steps and tips, homeowners can ensure a seamless installation and optimal functionality of their bifold doors. With their sleek and modern design, bifold doors are a great way to maximize space and increase natural light in any living area.