DEF conducts a full technical audit of the existing SSI on a site to address issues of future work or maintenance. This preliminary phase enables you to comprehend your project with perfect command of the existing one. Thanks to pre-established flowcharts and suitable tools, our engineers and technicians identify equipment and record its status. This […]

DEF carries out all studies (design and execution) in accordance with the regulations applicable to the type and purpose of the site to be protected. At the same time, our engineers optimise these studies according to your expression of requirements and your objectives.    

DEF adapts to a distribution of the batches according to your issues: we are able to provide you with a turnkey service, including studies, installation and commissioning; as well as supply products with or without services. These various terms can also include a third party contractor that you may have selected. You will thus be […]

The installation and commissioning of a Fire Safety System require in-depth technical, normative and regulatory knowledge to ensure the highest level of performance and reliability. Our teams of engineers and technicians have the best skills to carry out quick commissioning. Our extensive national presence allows us to offer you excellent services and comprehensive support at […]

Preventive maintenance consists in the verification and the complete maintenance of fire safety installations, in order to maintain their proper operation, in compliance with the regulations and standards in force. Regular preventive maintenance thus reduces the probability of equipment failure and minimises corrective maintenance. During these preventive maintenance operations, our teams of technicians have a […]

Troubleshooting corresponds to corrective maintenance services which are understood as services performed at the express request of the Customer, after observing a malfunction of the installation or the system. They enable to restore a defective installation. Our teams are available 24/7 to meet all your requests. All your requests are recorded and marked in the […]

It consists in intervening within a predetermined period on a defective installation, in order to maintain an optimal level of operation before the final corrective action. DEF ensures corrective maintenance 7 days a week, 24 hours a day, within 2, 4, 8, 24 or 48 hours after the call, depending on the severity of the […]

The DEF Training Organisation was created in 2008 to respond to the need for training for the operation of the Fire Safety Systems (SSI) installed and maintained by DEF. Our team of expert trainers travels all over France to provide you with the knowledge and skills necessary for the proper operation of your installation. We […]

DEF provides a hotline through its expert call centre in customer relations and based in France. This telephone platform receives calls 24/7, with a recording of requests, traceability and call monitoring.

DEF provides you with a service web portal, which optimises the operation of your fire safety system. def-sentinel.com is a user-friendly and secure interface, which provides you with real-time monitoring of the development of services of your fire safety installations and allows you to computerise all reports, intervention reports, analytics, contract documents, invoices, quotes, etc. […]

The management and operation of your Fire Safety System throughout the service life of the facility are major issues. They require optimising the overall migration costs during the service life of the building. From this perspective, DEF has been developing its new products by ensuring upward compatibility of equipment. DEF thus proposes that you upgrade […]

As part of the gradual replacement of ion detectors provided for by the interministerial decrees of 18 November, 2011 and 6 March 2012, the recovery and dismantling of ionic detectors must be carried out in accordance with regulatory obligations relating to radiation protection and environmental protection. (DRIRE constraints – ICPE establishment: Classified Establishment for the […]