DNA Security Design, Install, and Commission all types of Life safety systems.

We service and maintain all types of Fire Extinguishers to standard I.S. 291

Our services include;

  • Fire extinguisher building survey

  • Fire extinguisher installation

  • Fire extinguishers serviced & certified

  • Fire extinguisher test discharge and refills

  • Fire extinguisher induction training

  • Fire hose reels serviced


Smoke Ventilation Systems AOVs

DNA Security provide maintenance and servicing of

Smoke ventilation systems to EN12101 and amendments.


As part of BS7346 Part 1:1990, BS5588. They require servicing every 6 months. If they are not maintained as per current regulations, the management company or owner of the premises are now legally responsible.