Smoke Pressure Systems (SPS) Maintenance

Powered Pressurisation Fan Systems

In multi-storey buildings, a smoke control ‘pressurisation’ system can be employed to ensure that escape routes are kept clear of smoke to allow safe, calm movement of residents towards the fire escapes and to assist access by fire fighters by improving visibility and providing clear firefighting areas such as stairwells and lobbies. The principle is to drive smoke back towards the source of a fire, maintaining clear escape routes.


Stairwell pressurisation

Smoke safety equipment must be properly commissioned and maintained to remove the risk of over-pressurisation (jamming doors shut) or under-pressurisation (allowing smoke to move too freely). Proper maintenance of all components including sensors, fans and fire doors is essential to ensure an effective and energy efficient solution.



A smoke safety system can only operate if its control system is in full working condition. Kingspan Light + Air maintenance engineers can maintain any make of control unit, be it closed or open protocol.


Test standards

Service checks must comply with BS EN 12101-6 and should be carried out at least once every 12 months, in addition to weekly and monthly testing which will be usually carried out by on site personnel, with results to be entered into a log. All results obtained from testing should be compared with the initial “acceptance / commissioning” test results. Any major discrepancies should be reported immediately to Kingspan Light + Air and acted upon.

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