What is Watermist?

According to the Building Research Establishment (BRE), watermist is defines as ‘a fixed fire protection system that uses water to control, suppress or extinguish a fire.’ (BRE, 2006).

Why Watermist?

 In comparison to traditional sprinkler systems, watermist systems can be much easier to install. This not only allows for a quicker installation on new projects and new builds, but also allows for an increased ability to retrofit fire suppression systems into existing buildings and properties.

The ever-growing concern around fire safety in properties has brought a number of key developments within the industry, which are starting to become apparent nationally. Building Control teams are beginning to accept and specify watermist systems as a fully viable, British Standard approved alternative to allow for fully open plan living; this include open plan living, open stair lobbies and hallways and even loft conversions and living extensions. This covers and is specified as part of Building Regulations Appendix Document B.

The systems are so widely accepted that in 2016, Wales became the first country in the world to introduce legislation to make it compulsory for all new build properties to incorporate suppression systems to BS8458:2015. Conversations are also taking place in Scotland for similar proposals, and most recently Cornwall County Council are taking a similar approach to the Welsh legislation.

What is the benefit of watermist over a traditional sprinkler system?

  Alphamist Sprinklers
Minimum Mains Flow 12 litres per minute 60 litres per minute
Minimum Mains Pressure 1 bar 1 bar
Mains Power Requirement C20 Breaker, Local Rotary Isolator  
Pump Size 0.38mx0.38mx0.21m  
Installation Time Minimal Extended
Cost Low/Medium Medium/High

 

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