American Electric Power Building
Columbus, Ohio (Roofing & Sheet Metal)
Terrace waterproofing and parking garage roof utilizing conventional 5 ply coal tar pitch with glass and organic felt reinforcement along with a ballasted EPDM system.

Illustrates graphic pattern of aggregate ballast by use of aluminum rails and 2 colors of a local aggregate.

 

 

 

 

 

 

 

   
   
 
 
 

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