The history of Guardian Lock
Deadlocks, Sashlocks, Rollerbolt & Push/Pull locks, Sliding door locks, Night-latches, Escape-Deadlocks, Horizontal locks and Masterkey locks – Operated by a 3 Lever key
British Standard Locks, Deadlocks, Sashlocks, Rollerbolt & Push/Pull locks, Sliding door locks, Escape-Deadlocks, Horizontal locks and Masterkey locks – Operated by a 5 Lever key
British Standard Lock cases, DDA compliant upside-down lock cases, Deadlock cases, Sashlock cases, Rollerbolt & Push/Pull lock cases, Sliding door lock cases, Night-latches, Escape-Deadlock cases and Horizontal lock cases (Dual-profile lock cases)– Operated by a Euro-profile cylinder
Deadlock cases, Sashlock cases, Rollerbolt & Push/Pull lock cases, Sliding door lock cases, Night-latches, Escape-Deadlock cases and Horizontal lock cases (Dual-profile lock cases)– Operated by a Oval-profile cylinder
DDA compliant locks, with 72mm gap between keyway and follower hole (or follower holes)
Oval-profile cylinders, Euro-profile cylinders, and Rim-cylinders. All available to operate under different keys, the same key or masterkeyed
Standard latches, Push/pull & rollerbolt latches – operated by a 8mm follower
Deadlocks, Sashlocks, Rollerbolt & Push/Pull locks, Sliding door locks – Operated by a 5mm or 8mm follower
Locks and accessories designed to allow entry/exit in the event of a fire
Rim night latches, Strikers, Rebates, Padlocks, Letter tidies, Lock Guards, Escutcheons, Thumb-Turns and Key Blanks

Last Updated 09/11/2012