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Castle Seamless Access Panels

 Castle Access Panels & Forms is North America’s premier manufacturer of GFRG Access Panels

and cast products for interior use.


Our capabilities and our repeat customers will testify as to the quality of our products, and on the service we provide.

  • Timely detailed quotations
  • Standard and custom options
  • DWG/PDF drawing assistance to architects, designers and contractors
  • On-time manufacturing
  • In-stock
  • Custom Sizes, Pop-Out or Hinged


Specializing in: 

  • GFRG Access Panels – Interior use
  • GFRC Access Panels – Exterior use
  • GRG Molded Shapes – Interior use
  • GRG Column Covers – Interior use
  • FRP Access Panels – Specialty exterior use


As a result of our commitment to research and development, we are able to offer the largest line of Pop-out & Hinged Radius or Square Corner GFRG Seamless Access Panels in standard sizes as well as custom sizes


Website: http://www.castleaccesspanels.com/