High Security Doors, Multi Point Locking Systems, Void securing, CCTV, Access Control Systems, Timber, Steel & Jansen Screens
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Shellen Security
Arrow Security Doors
Front Entrance Doors
Residential Anti Vandal Doors
Commercial High Security Doors
Communal Enterance Doors
Jansen Steel Door Sets
Fortcullis Door Sets
Arrow Frames
Frame types
Angled Frame Armour
Hardwood Frame
Arrow Security Locks & Accessories
Our large range
Multi Point Lock
Cylinder Locks
Pad Locks
Key Blanks
Arrow Interactive Cliq
The latest technology
What is Interactive Cliq?
Interactive Cliq Features
Interactive Cliq Specification
Key Blanks
Innovators in the design, manufacturing and installation of security doors.
Shellen Security’s Patented Interactive Key Control System will give you the confidence you need to know that you are in total control of your keys. To understand Shellen Security’s Interactive System, you must first understand what “Key Control” means.

Good Key Control - Only the user and the people the user authorises are able to obtain additional keys.

Bad Key Control - Anyone can obtain additional keys without any verification or requirements.

Since MUL-T-LOCK key blanks are patent protected, no company can make imitation key blanks which will fit into the MUL-T-LOCK product line. Furthermore, MUL-T-LOCK has instituted a Key Control Procedure which all Authorised Service Centers must abide by. Over 90% of all keys in the marketplace are not patent protected. If a key is not patent protected other companies can manufacture that key blank and sell to whomever they please, and any Key Control Procedure instituted by the original manufacturer is void, thus leaving the consumer wide open for unauthorised key duplication.
7x7® Key
Key Blanks
Classic-Plastic head Key
Key Blanks
Classic-Plastic head Key
Key Blanks
Interactive ® Plastic head
Key Blanks
Interactive ® Plastic head
Key Blanks
Interactive® All-Nickel Silver
Key Blanks
Classic-All-Nickel Silver
Key Blanks
Example Key with Cylinder
Key Blanks
Contact us
Where to find us?
Unit A2 - Northfleet Industrial Estate
Lower Road
Northfleet, Kent
DA11 9SN

T: +44 (0) 845 505 0666
F: +44 (0) 845 505 0667
E: info@shellen.co.uk
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T: + 44 (0) 845 505 0666       E: info@shellen.co.uk
A Division of Shellen Construction Ltd. Reg. Office: College House, 17 King Edwards Road, Ruislip, Middlesex HA4 7AE
Mul T Lock Authorised Distributor Secured by Design - Official Police Security Initiative Chas - Accredited Contractor BM Trada - Registered Firm Certification BM Trada
BM Trada