Why do you need Staircase Pressurisation?

If you are responsible for arranging the exit routes for people from your building in the event of a fire, something you should definitely consider is staircase pressurisation. But what is it and why do you need it?

If you didn’t have staircase pressurisation for your designated fire exit routes, those staircases would simply fill with smoke in the event of a fire. After all, it isn’t something that you can easily control and, once the smoke gets into the staircase area, it will make it hard – if not impossible – for people to escape from the building. Smoke can obscure vision and make it difficult to breathe, so taking some sort of action to prevent this definitely makes sense.

This is where staircase pressurisation comes in. Its purpose is to stop smoke from entering the area in the first place, meaning it is different to traditional ventilation systems. The process involves a fan that is activated in the event of a fire. This then causes the stairways to become over-pressurised, making sure they are as clear as possible for people escaping as well as fire-fighters who need to get in to tackle the blaze.

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