305 Folding Door

Perfectly framing any view, the Centor 305 Folding Door sees all visible hardware removed from the interior, with equal stiles and rails on each panel frame. Constructed from thermally-improved aluminium, there are many configurations possible with this choice of door.

Our 305 Folding Door utilises the same head and sill as the Centor 405 Integrated Folding Door.

  • Large doors up to 11.5m wide.
  • Aluminium in a range of standard or custom RAL colours.
  • Engineered to last a lifetime – thermally-improved aluminium is painted after cutting and machining to ensure all surfaces are coated. 
  • Hidden hardware, including Access AutoLatch™, AutoLatch™ and concealed hinge.
  • Double or triple glazing available.
Overall frame width
651 - 11564mm
Frame height
1987 - 2884mm
Panel width
575 - 1130mm

Folding Door diagram

Access AutoLatch™

Centor’s latest locking innovation, the Access AutoLatch™, replaces the traditional entrance handle with a concealed version that’s hidden from view in the door stile.

Interior of the Access AutoLatch
The lever is simply lifted to open the doors from the inside. A ‘signifier’ on the face of the panel hints at the lever’s location.
Exterior handle
On the exterior, a slimline vertical pull-handle allows panels to be opened with ease.

The Centor AutoLatch™ is used to close and secure intermediate panels in one movement, with one hand. It is available keyed or non-keyed.

Centor AutoLatch™
Concealed hinge

The concealed hinge on folding doors is hidden from sight within the edge of the door. Not only does it look great, but it also makes the doors tamper-proof for additional security.

The concealed hinge on folding doors is hidden from sight within the edge of the door
Centor's concealed hinge makes the doors tamper-proof for additional security
Weather tests

The following performance levels were achieved when tested in accordance with BS EN 14351-1:2006.

Air permeability
Class 3
Water tightness
Class 7A
Resistance to wind load
Class A3

The following thermal performance results were achieved in third party testing:

Double glazed: U = 1.4w/m2k
Triple glazed: U = 1.2w/m2


Architectural details

305 Folding Outward Opening, 280mm sill
Folding handle heights

Construction details

Cavity wall, 280mm sill
Cavity wall with exposed screen, 280mm sill


Centor doors and window brochure
Centor door finishes – aluminium

CE Certificates

300 Series Folding Doors, double glazed, DP-17-001-2018
300 Series Folding Doors, triple glazed, DP-18-001-2018