The look at on possibility of smoke distribute in ventilations devices differs through Europe. In certain nations smoke spread via the air flow process just isn't considered to be a dilemma at all; in other international locations smoke dampers or fire or smoke dampers are always essential wherever There may https://fire-rated-ductworth02334.blog-a-story.com/18107088/the-smart-trick-of-fire-rated-ductworth-that-no-one-is-discussing