Sprinklers save lives and they save billions of dollars each year from fire losses; however, if a head is activated accidentally, we can suffer serious damage from all the water and the downtime. So protecting our heads from accidental discharge is as important as protecting them from contamination and delayed activation. In this article, I would like to discuss the question I get often… “What is allowed when I need to shield a sprinkler head from either contamination or hot work heat?” First thing though, before we get into what is allowed, let me demonstrate what is NOT ALLOWED…
