1600 Market Street Roof and Skylight Replacement

Located prominently in Philadelphia’s Center City, the landmark and historic 1600 Market Street building consists of 39-stories and 105,000 sf of contiguous office space.  A comprehensive property condition assessment of the building was performed including a detailed survey and evaluation of the building’s roof assemblies and skylights.  The survey also included review of the original architectural and structural drawings as well as historical maintenance reports for the building.

Each roof area was then visually inspected in order to evaluate the condition of the two-ply modified bitumen membrane and to observe the condition of the flashings, terminations, and overall quality of the roofing construction.  An evaluation of the existing roof tie-back anchors and Davit bases was also performed.  Destructive roof cuts were made to document the condition of the insulation materials, verify the as-built configuration of the roof assembly, and test select materials for asbestos.  The building roof, which was original to the building, was recommended for complete removal and replacement with a two-ply SBS modified bitumen system and reinforced PMMA liquid flashings.