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When specifying external folding door systems, balancing security, performance, aesthetics and design flexibility is essential. Securefold Pro has been developed to meet these requirements, providing a high-performance hardware solution for timber and aluminium external bifold doors.
To help you specify the right solution for your project, we’ve created this simple step-by-step guide highlighting the key considerations when specifying Securefold Pro.


When determining the most suitable door configuration, you should consider the building layout, available opening space, traffic flow requirements and the desired user experience. Opening direction, panel arrangement and access requirements should also be assessed to ensure the system complements both the architecture and intended functionality of the space.
Key Considerations
Number of door panels – an odd number of door panels allows for a dedicated traffic door, providing convenient day-to-day access without opening the entire system. Even numbered configurations require the opening of multiple panels for access, as well as presenting difficulties with weather proofing.
Inward or outward opening – outward opening configurations are often specified to maximise internal floor space, while inward opening applications can be advantageous where external space is limited and there is insufficient room for the panels to stack externally.


The choice of hinge can influence both the manufacturing process and the finished appearance of the door set. Securefold Pro offers two hinge options to suit different project requirements.
Non-Mortice Hinges
Surface-mounted design requiring no routing or machining.
Faster and simpler fabrication process.
Radius Mortice Hinges
Flush, integrated appearance.
Suitable for CNC-machined doors.
Often specified for premium architectural applications where aesthetics are a priority.


The finish of your bifold door hardware should match the overall design scheme of your project. Securefold Pro is available in several popular finishes:


Thresholds are an important part of any external bifold door system to aid waterproofing, support drainage and create a durable transition between inside and outside. Securefold Pro offers a dedicated threshold designed to integrate seamlessly with the hardware system – reducing the need for complex joinery work on site and helping to deliver consistent installation and weather performance. Choose between our satin and black threshold to match with the architectural design of the project.
Key Considerations:


The locking arrangement of the system should be determined early in the project to ensure it aligns with how the door will operate. Flush bolts play a vital role in securing inactive panels within a bifold system. Depending on product requirements, flush bolts can be specified as lockable for additional security or non-locking for use alongside a multipoint locking system.


Security and product longevity should not be overlooked when specifying external bifold door system.
Key Considerations
Technical Support from P C Henderson
At P C Henderson, we understand that successful projects begin with the right specification. That's why we offer comprehensive support throughout the design and specification process, including detailed CAD drawings, guidance on system configurations, assistance with hardware selection and expert advice from our in-house technical team.