Fire-Rated Wood Door Frames

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45, 60, and 90-minute fire rated jambs 20-minute fire-rated flat jambs 90-minute GP Firestop jamb 20-minute fire-rated hardwood rabbit jambs

Download product drawings and specifications for our Fire-Rated Door Frame components.

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Get Fire Rated Frames at
FERCHE Millwork
400 Division St. No.
Rice, MN 56367

Phone 320-393-5700
Fax 320-393-5800

Ferche Millwork - visit

Fire Rated Frames
Fire-Rated Wood Door Frames

Fire Rated Frames are Ferche Millwork’s complete line of fire rated wood door frames certified by Intertek Testing, formerly known as Warnock Hersey, Inc. (WHI). These solid wood and wood veneered firerated door jambs are certified with 20 minute, 45 minute, 60 minute and 90 minute ratings. They are available in most any wood species. These wood, rated door frames are the perfect hollow metal replacement frame for architects and designers to select when a rated jamb is needed and the beauty of real wood is desired. Condominium fire rated door jambs, high end commercial rated door frames and fire-rated garage door entry frames in single family homes are examples of great applications. The FireRatedFrames jambs are the perfect solution to meet fire protection requirements without the institutional look of metal frames.

WHI Certified

  • Frames in almost any species
  • 20/45/60/90 minute frames from one source
  • Installs simply - like any wood frame
  • Beautiful frames – not institutional
  • Custom sizes
  • Available in 3 weeks
  • Positive or Neutral Pressure Ratings

Photo of testing process for fire-rated doors.

Fire testing the 20 minute rated frame. Part of the Ferche's family of firerated frames.