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About Superior Specialty Supply.

Welcome to Superior Specialty Supply, our mission is to be recognized as the premier wholesale distributor of specialty building products throughout the Mid-Atlantic region. We offer a full-line of products to complete your next project. Our staff consists of experienced and knowledgeable representatives to assist you in choosing the right product for your customer.

Our Brands

  • Acudor Flush Access Doors, Recessed Access Doors, Fire Rated Access Doors, Smoke Vents and Floor Doors
  • JL Industries Fire Extinguishers and Fire Extinguisher Cabinets
  • Karp Access Doors for Access Doors, Floor Doors and Security Access Doors
  • Maxam Metal Fire Rated and Steel Floor Access Doors
  • Metacaulk Firestop and Sealant
  • USF Fabrication Steel and Aluminum Floor Doors