Zentry offers the Burglarybuster range of products for securing Double French Door locks: The Burglarybuster 1 and Burglarybuster 3 for all double french doors.
High-Security French Doors - Ballistic French Glass Doors
Burglarybuster 3, Zentry
Prices quoted on website include for deliveries to your home anywhere in the US and Canada. The Burglarybuster 1 (For opening outward French doors)
The Burglarybuster 1
A security threat found in most French doors.
High-Security French Doors - Ballistic French Glass Doors
The Burglarybuster3
Burglarybuster 3, Zentry
The Burglarybuster 2 French Door Keyless Cuff Lock - French doors patio, Patio door locks, French doors security
High-Security French Doors - Ballistic French Glass Doors
Burglarybuster 3 security lock for all opening-inwards French Doors.
High-Security French Doors - Ballistic French Glass Doors
How to Secure Single and Double Handled French Doors
Zentry Advanced Security Solutions (burglarybustersie) - Profile
Zentry Forced-Entry, Security Solutions
The Burglarybuster3