Fire Rated Wood Frames



Fire Rated wood jamb frame




Advancements in composite fire materials have created an opportunity for architects, interior designers, and owners to choose striking wood fire rated jambs in lieu of hollow metal frames. Perfect for the spectrum of projects from contemporary condos, to hospitality projects, to office tenant finish outs, to senior/assisted living centers, and, of course, historic renovations.


The combination of wood veneers with composite materials has resulted in the capabilities listed below, ranging from 20 minute fire ratings to 90 minute fire ratings. All products manufactured by Grandoor Frames are made in the US, do not contain added urea formaldehyde, and are listed with QAI Laboratories and Intertek/Warnock Hersey.


Available primed/paint grade or in an assortment of wood veneers. Gasketing can be                                            provided upon request.

Wood Fire Jamb Capability Chart

Single (Max Size)Pair (Max Size) Minimum Frame Width Single Rabbet or Double Rabbet Rough Opening Size Custom Options 
20 Minute
Fire  Rating
 4/0 x 9/0 8/0 x 9/0 4 1/2" YES
 Door Width: +2"
Door Height: +1 ½"
 YES
 45 Minute
Fire Rating
 4/0 x 9/0 8/0 x 9/0 4 1/2" YES
 Door Width: +2"
Door Height: +1 ½"
 YES
60 Minute
Fire  Rating
  4/0 x 9/0  8/0 x 9/0  4 1/2" YES
  Door Width: +2"
Door Height: +1 ½"
 YES
90 Minute
Fire  Rating
 3/6 x 9/0 7/0 x 9/0 4 3/4" YES
   Door Width: +2"
Door Height: +1 ½"
 YES

*All Hardware and corresponding preps are to meet NFPA 80 requirements.  Preps are done by Grandoor Frames and require completed machining sheet by client.

**Each Hinge requires one standard screw to be replaced with 2" length screw to secure door to wall stud.  



 
Double rabbeted fire rated wood door frame 45 minutes
Fire Rated Wood Jamb (Double Rabbeted)
 
Single Rabbet 60 minute wood door frame
Fire Rated Wood Jamb (Single Rabbeted)


Fire Rated Wood Side Lite/Transom/Borrowed Lite Capability Chart

     Certain situations call out for additional light between rooms, but were faced with limitations should the opening need to be fire rated.   Grandoor Frames now offers fire rated sidelites, transoms, and borrowed lites in both 20 minute ratings and 45 minute ratings.   

Maximum Dimension
 (including door) 
Minimum Frame Width Rough Opening Size Max Glass Size
 20 Minute Sidelite/Transom 8/0 x 10/0 4 1/2" Add 1" to frame size (½" gap around frame)---
45 Minute Sidelite/Transom  6/0 x 10/0 4 1/2" Add 1" to frame size (½" gap around frame)
 ---
 20 and 45 Minute Borrowed Lite 6/0 x 10/0 4 1/2" Add 1" to frame size (½" gap around frame) 24" x 77"

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Have something really out of the ordinary or truly "grandeur?"   We didn't call the company "Grandoor" for nothing!  Contact us directly with your requirements.