Passive fire protection building factors are used to resist, retard and isolate flames and also the connected smoke and fumes: they don't in themselves extinguish flames as a result They can be classed as 'passive defense'. Crucial These cookies are wanted for critical functions of the website for example generating https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/