Centor F3 hardware

The Centor F3 system allows bifold doors to be installed into any existing opening without the need for major structural changes. Perfect for use in residential renovations, F3 hardware accommodates panels 3' 3" (1000mm) wide by 9' 10" (2700mm) high and 176lbs (80kg).

  • Bottom-rolling bifold system.
  • Articulated carriers compensate for imperfect openings, ensuring smooth operation.
  • Guards on the carriers push grit away from the mechanism.
  • Inward or outward opening panels.
  • Suitable for double or triple glazing.
  • Exterior or interior use. 
  • Externally accessible hardware cannot be compromised.
  • Extensively tested, including finite element analysis, cycle testing and corrosion testing.
  • Secure F3-based doors with Centor Dropbolts or Centor Twinpoint locks.
  • Backed by a 10-year warranty.

Dimensions are intended as a guide only. Calculated weight checks should be performed to ensure doors built to maximum height and widths do not exceed maximum weight.

Max panel weight
176lbs (80kg)
Max panel width
3' 3" (1000mm)
Max panel height
9' 10" (2700mm)
Min panel thickness
Max number panels
1 3/8" (35mm)
Simple assembly

Centor F3 hardware is available with offset hinges which allow for equal-sized panels regardless of the configuration which ensures manufacturing is simple. Quick-fix surface-mounted fittings allow for easy assembly. 

Offset floor guides and floor pivots allow the floor guide channel to be concealed beneath closed doors for a neat appearance. Sills are available.

F3 floor guide
F3 floor guide
Fully adjustable

Centor F3 hardware features our patented Surelock 4TM adjustment mechanism for vertical and lateral adjustment using just a screwdriver and 9/16” (14mm) spanner.

F3 hardware is fully adjustable using just a screwdriver and 14mm spanner
Quality materials

Centor F3 hardware is manufactured in architectural-grade stainless steel. Carriers, guides, pivots and hinges are available in stainless steel and PVD bronze finishes.

Bearings are custom-machined while wheels are individually precision-ground to ensure silky smooth operation.

Stainless steel
Stainless steel
PVD brass
PVD brass
F3 product details (CAD – dxf, dwg, pdf)
F3 brochure
F3 installation instructions