Fitting bi-fold doors shouldn't feel like solving a puzzle with missing pieces. We know the frustration of being on-site with a kit only to find the hardware doesn't line up or the track isn't rated for the panel weight.
At Express Doors Direct, we provide the technical specs and reliable gear you need to get the job done right the first time. Our team understands that for a trade pro, a smooth install is the difference between a happy client and a costly call-back.
This guide breaks down every essential component of a bi-fold system, from heavy-duty rollers to precision pivots. You will learn how to identify, measure, and install the right hardware to ensure your internal bifold doors glide perfectly for years.
Bi-fold door hardware is a system of engineered components designed to manage the weight and movement of multiple articulating panels. Using the correct spare parts is vital for maintaining the structural integrity of the installation.
Most professional-grade hardware uses stainless steel and reinforced materials to balance durability with smooth operation.
Each component plays a specific role in the folding and sliding sequence.
The track is the backbone of the system. For a standard domestic install, you will typically use a top-hung system to keep the floor clear of debris.
Take a look at our internal bifold door size guide for more information on sizing and measurements.
Pivots and hinges determine how the stack sits when closed and how easily it moves.
Rollers are the most common failure point if they are under-specced for the panel weight.
External doors face wind-loading and moisture, requiring higher-spec components.
Take a look at our range of external bifold doors.
Follow this sequence to avoid the "bounce" often found in poorly fitted stacks.
Most issues stem from track debris or hardware settlement.
Do not guess the part you need; measurements are critical.
A bi-fold system is only as reliable as its smallest component. By selecting the correct load ratings and following a precise installation sequence, you ensure the doors perform exactly as the client expects, smoothly and without call-backs. Focus on the specs, verify your measurements, and use hardware designed for the trade.
Summarise your requirements and grab the hardware you need to finish the job.
|
Term |
Definition |
|
Backset |
The distance from the edge of the door to the centre of the handle hole. |
|
Brio Interfold 35 |
A stainless steel hardware system for residential internal folding doors up to 35kg. |
|
Lead Door |
The primary door in the stack that opens like a standard door. |
|
Pintle |
The pin used in a pivot assembly to allow rotation. |
|
Stack Width |
The total thickness of the door panels when they are fully folded. |
Read next: Choosing and installing handles for internal bifold doors.
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