Our Products   Specialist Glass & Glazing   Entrance Systems     Revolving Doors     Automatic Doors    - Overview    - Sliding    - Slimline Sliding    - Curved Sliding    - Tri-Sliding    - Breakout Sliding    - Telescopic Sliding    - Swing Operator    - Bi-Fold    - Custom Sliding   Security Entrance Technology   Operable Glass Facades   Operable Aluminium Louvres   Motorised Structures   Specialist Facade Treatments   Switchable Privacy Glass      Tri-Sliding The AGP Automatic Tri-Sliding and Tri-Parting doors are particularly suited to special locations where extremely wide openings or heavy traffic flows are required and space is restricted. AGP can build special doors to satisfy both the specific needs of the client and the building design by customising its standard range of automatic sliding doors.