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Choosing a lock for your security door

The lock is what turns a strong door into a secure one. Here are the main choices and when each one makes sense.

Single-point locks

A single lock holds the door at the handle. It suits side and laundry doors where cost matters most.

Triple locks

A triple lock adds bolts at the top and bottom of the door, so it can't be levered open at the corners. It's the better choice for front and back doors.

Keyed alike

Having every door open with the same key makes life easier. We can key new and existing locks alike. See locks and repairs.

Escape and safety

Make sure everyone in the house knows where the key is kept. Never leave a key in the lock where it can be reached through the mesh.

Sliding doors

Sliding security doors need anti-lift blocks as well as a lock. See sliding patio doors.