How do fire sprinkler systems work?

Sprinkler systems are connected to the mains water supply, which is hidden in the walls and ceilings of the property. Sprinklers are fitted with a gas bulb- this bulb reacts to hot air and gasses. It expands and breaks the bulb. When this happens, the system is activated and the water is released. The water falls in large droplets, which are dense enough to control the fire without the risk of evaporation.

Why are sprinklers so effective?

In the UK, there are around 45,000 fires in dwellings each year. Fire deaths have been decreasing, but the average loss of life due to fire is still around 500 lives per year.

Sprinklers are proven to reduce death and injuries from fire. They are active fire protection, and warn and extinguish fire. They also help protect material damage from fire. Sprinklers are effective because: