Keywords: Drywall firestop problem2.jpg This is code violation waiting to happen The drywall is required to have a fire-resistance rating The plumber is there before the drywaller He follows a firestop specification by the mechanical engineer and hangs a steel sleeve in place thus creating a round hole for the pipe penetrant to traverse This is utterly wrong The sleeve is but another penetrant In this case it is also a considerable heatsink which will carry more heat through to the unexposed side To avoid the problem a Section 07840 Firestop specification could have been used to regulate the forming of openings to enable proper bounding whereby one speciality firestop sub-contractor seals all through-penetrations and building joints in one sub-contract to the general contractor As it is this opening shown here is very difficult to fix especially the tight spaces between the drywall and the sleeve itself Own 2007-05-27 Achim Hering Plumbing Firestops Drywalls Firestop specification problem Broken workscope Building code violations Compromised drywall |