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              45-60-90 Minute Jamb

              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).

              Solid wood and wood veneered fire rated door jambs are certified with 20-, 45-, 60- and 90-minute ratings and are available in most wood species. 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. Fire Rated Frames are the perfect solution to meet fire protection requirements without the institutional look of metal frames.

              • Specifications
              • Series
              • Species
              • Downloads

              F343 - 45 min

               

               

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              F343 - 45 min

              3/4" thickness

              FyreWerks® laminated core

              F344 - 60 min

               

               

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              F344 - 60 min

              3/4" thickness

              FyreWerks® laminated core

              F345 - 90 min

               

               

              Close

              F345 - 90 min

              3/4" thickness

              FyreWerks® laminated core

              F356 - 45 min

               

               

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              F356 - 45 min

              1" thickness

              GP Firestop® core

              Positive pressure frame

              F357 - 60 min

               

               

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              F357 - 60 min

              1" thickness

              GP Firestop® core

              Positive pressure frame

              F358 - 90 min

               

               

              Close

              F358 - 90 min

              1" thickness

              GP Firestop® core

              Positive pressure frame

              African Mahogany

               

               

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              African Mahogany

              Sustainably harvested
              (good availability)

              Black Walnut

               

               

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              Black Walnut

              Up to 12' lengths
              (limited availability)

              Cherry

               

               

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              Cherry

              Up to 14' lengths
              (limited availability)

              Highest grade with
              lighter sapwood

              Clear Alder

               

               

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              Clear Alder

              Up to 10' lengths
              (limited availability)

              Hard & Soft Maple

               

               

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              Hard & Soft Maple

              Up to 16' lengths available

              Hickory

               

               

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              Hickory

              Rustic, heavy wood; more
              durable than red oak

              Knotty Alder

               

               

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              Knotty Alder

              Up to 10' lengths
              (limited availability)

              Natural Yellow Birch

               

               

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              Natural Yellow Birch

              Up to 12' lengths available

              Poplar

               

               

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              Poplar

              Select grade without dark
              streaks, for excellent
              stainable product

              Red Oak

               

               

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              Red Oak

              Best combination of good
              length structure and consistent colour, from the Appalachian Lumber region