Roof Replacement Johns Hopkins Hospital MRI Building

Location: Baltimore, Maryland Client: Johns Hopkins Hospital Area: 1,670 SF Completion: 2010

This innovative green roof project, which sits on top of Johns Hopkins Hospital’s MRI Building, consisted of the removal and replacement of the existing 30 year old inverted roof system. The existing roof was replaced with new inverted systems consisting of 3″ thick poly-iso insulation over a loose laid POLYVINYL-CHLORIDE (PVC) roofing membrane. The project’s scope also included:
  • Removal and replacement of 19 roof drains
  • Removal and salvage of existing precast coping stones approximately 1,670 linear feet
  • Installation of new stainless steel cap flashing
  • Salvaged coping stones were to be reinstalled with new anchor clips
  • Existing mechanical equipment curbs and vent pipes to be reflashed
  • Existing 2″ thick roof pavers to be salvaged and reinstalled
  • Brick veneer on roof side to be re-pointed and power washed
The system included the installation of an interlocking container live green roof system with mature plantings for instant effect. Sustainability: 75% Green Roof