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Fire AlarmsFire Alarms

Fire Alarms

Key Stone Security design, supply, install and commission a complete range of fire alarm solutions which can be customised to your individual requirements.

We offer a FREE SITE SURVEY to discuss your detailed requirements, then arrange everything from system design through to installation, commissioning and hand-over. Often organisations do not know their obligations until after a fire risk assessment or insurance company review.

We have many years of experience in understanding these requirements and ensuring a fire alarm solution will fully protect you and your business.

System design

You need to ensure that your fire alarm system is specifically designed to meet the needs of you and your business. No two designs are ever the same because every business (and often its insurance company requirements) is different.

There are many different types of fire alarm systems but the most common include:

Non-addressable systems – These systems are normally suited to smaller buildings and usually consist of 10 to 25 detection devices.

Addressable systems – These systems are normally suited to larger buildings and are capable of complex programming to provide a wide range of applications. Solutions often involve ventilation systems, fire breaks and the closing of fire doors on corridors.

Radio fire systems – These systems are normally suited when wiring isn’t allowed, such as in churches, stately homes and listed buildings.


All fire alarm systems are installed to the latest standards and all our equipment is of the highest quality and is designed to minimise the risk of false alarms.

You will be provided with a detailed drawing of your system layout which will be needed if you wish to add to the system in the future or to detect problems.

Commission & Hand-over

Following installation checks are completed to ensure every aspect of our work meets the specifications in our design. Following completion the full system will be tested to make sure everything works as it should, then we hand-over the completed fire alarm system to you. You then receive all the necessary documents, certificates, operating manual and logbook.