The Leader in Fire Rated Wood Door Frames 

Fire rated wood doors and frames
Custom Wood Door Frame Header
Wood veneers wood jambs

Selecting the right door and frame can uniquely TRANSFORM a project from ordinary to EXTRAORDINARY. Too often though, finding a reliable manufacturer can be a chore.   We have assembled a team with the experience and capability to provide what you need, when you need it.   Nearly ANY CUSTOM design can be accommodated, in both non-rated and fire rated designs.     Grandoors can accommodate requests small and large requests (including the need for one frame only!)    Our mission is to be a GENUINE resource to the industry and to those looking to solve/answer both basic and complex challenges.   Go ahead and ask us a question - we'll point you in the right direction across the industry...Call us at 916.747.6026 or email us at

Our work includes:

  • Commercial, Residential, and Historic Preservation
  • Oversized, Undersized, and custom Fire rated wood doors
  • Custom designs
  • Tenant finish out
  • Hotels and Resorts
  • Condominium projects
  • 20/45/60/90 minute ratings
  • House-to-Garage application
  • Fire rated Glass Sidelites
  • Paint Grade or Stain grade 


Have a "grand" idea for some doors and frames? Or just have some questions about your particular application (fire rated or otherwise)?  Call or email us - We are happy to provide input and guidance based on our years of experience working with some of the most prestigious and challenging applications across the nation.