PENTAGON EMERGENCY ROOF REPAIRS
Project Owner:  U.S. Department of Defense

  • This project included reconstruction of slate and built-up roofing systems damaged by terrorist attack on September 11, 2001
  • Slate roofing systems on Corridor 3, portions of Corridors 4 and 5, and the A-Ring roof between Corridors 4 and 5 were stripped down to the structural concrete deck, and reconstructed with new rubberized asphalt sheet membrane course, treated wood decking/ sleeper system, and salvaged/ new unfading green slate
  • Ridge and eave ventilation systems firebreaks, and fall protection systems were incorporated into the design
  • Flat roofing systems on A, B, C and D Rings were replaced between Corridors 3 and 4, as well as B Ring roof between Corridors 4 and 5, and a portion of the lightcourt roof between the A and B Rings between Corridors 4 and 5.  Fall protection systems were incorporated into the design
  • National Roofing Contractors Association provided over $400,000 in donations of labor and materials towards the roof repair
  • Project was a design-build effort

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