Intumescent products and solutions are those which expand (or intumesce) to several occasions their authentic size when activated by higher temperatures. This motion helps prevent the distribute of flames and smoke to other portions of a constructing. Passive fireseals and pipe clamps incorporate intumescent compounds. The panel is always on https://www.thesafetycentre.co.uk/blog/ems-wireless-firecell-systems-from-the-safety-centre/