States in part "a 15 minute thermal barrier rating, including the walls and ceilings behind any shower enclosure or tub". Questions is, can there be a steel stud between the shower enclosure and the 15 minute barrier? Ron F
_______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org